{
  "schema": "omnisaura.snapshot/v3",
  "uid": "omnisaura:profile:hylaeosaurus",
  "genus": "Hylaeosaurus",
  "data_as_of": "2026-10-11",
  "raw_run": "2026-10-11",
  "profile": {
    "name": {
      "value": "Hylaeosaurus",
      "rule": "PBDB leads",
      "rule_id": "merge:lead_pbdb",
      "synthesis": false,
      "sources": [
        {
          "source": "pbdb",
          "license": "CC-BY-4.0"
        }
      ]
    },
    "authority": {
      "value": "Mantell 1833",
      "rule": "PBDB leads",
      "rule_id": "merge:lead_pbdb",
      "synthesis": false,
      "sources": [
        {
          "source": "pbdb",
          "license": "CC-BY-4.0"
        }
      ]
    },
    "type_species": {
      "value": null,
      "rule": null,
      "rule_id": null,
      "synthesis": false,
      "sources": []
    },
    "order": {
      "value": "Ornithischia",
      "rule": "Gap filled from NHM",
      "rule_id": "merge:gap_fill_nhm",
      "synthesis": false,
      "sources": [
        {
          "source": "nhm",
          "license": "CC0-1.0"
        }
      ]
    },
    "family": {
      "value": "Nodosauridae",
      "rule": "PBDB leads",
      "rule_id": "merge:lead_pbdb",
      "synthesis": false,
      "sources": [
        {
          "source": "pbdb",
          "license": "CC-BY-4.0"
        },
        {
          "source": "nhm",
          "license": "CC0-1.0"
        }
      ]
    },
    "parent_name": {
      "value": "Nodosauridae",
      "rule": "PBDB leads",
      "rule_id": "merge:lead_pbdb",
      "synthesis": false,
      "sources": [
        {
          "source": "pbdb",
          "license": "CC-BY-4.0"
        }
      ]
    },
    "headline": {
      "value": [
        139.1,
        110.1,
        "Berriasian",
        "Albian"
      ],
      "rule": "PBDB leads",
      "rule_id": "merge:lead_pbdb",
      "synthesis": false,
      "sources": [
        {
          "source": "pbdb",
          "license": "CC-BY-4.0"
        }
      ]
    },
    "evidence": {
      "value": [
        139.1,
        110.1
      ],
      "rule": "Omnisaura synthesis: span of confirmed PBDB records",
      "rule_id": "merge:omnisaura_synthesis_confirmed_occurrences",
      "synthesis": true,
      "sources": [
        {
          "source": "pbdb",
          "license": "CC-BY-4.0"
        }
      ]
    },
    "countries": {
      "value": [
        "DE",
        "FR",
        "GB"
      ],
      "rule": "Union of all sources (ISO 3166)",
      "rule_id": "merge:union_iso3166",
      "synthesis": false,
      "sources": [
        {
          "source": "pbdb",
          "license": "CC-BY-4.0"
        },
        {
          "source": "nhm",
          "license": "CC0-1.0"
        }
      ]
    },
    "formations": {
      "value": [
        "Ashdown Formation",
        "Bückeberg",
        "Greensand Formation",
        "Tunbridge Wells Sand Formation",
        "Wadhurst Clay Formation",
        "Weald Clay Formation",
        "West Melbury Marly Chalk Formation"
      ],
      "rule": "Canonical names, automatic and editor-approved matches applied",
      "rule_id": "merge:canonical_formations",
      "synthesis": false,
      "sources": [
        {
          "source": "pbdb",
          "license": "CC-BY-4.0"
        },
        {
          "source": "nhm",
          "license": "CC0-1.0"
        }
      ]
    },
    "diet": {
      "value": "herbivore",
      "rule": "PBDB, inferred from a group the genus belongs to",
      "rule_id": "merge:inferred_pbdb",
      "synthesis": false,
      "sources": [
        {
          "source": "pbdb",
          "license": "CC-BY-4.0"
        }
      ]
    },
    "life_habit": {
      "value": "ground dwelling, gregarious",
      "rule": "PBDB, inferred from a group the genus belongs to",
      "rule_id": "merge:inferred_pbdb",
      "synthesis": false,
      "sources": [
        {
          "source": "pbdb",
          "license": "CC-BY-4.0"
        }
      ]
    },
    "common_names": {
      "value": null,
      "rule": null,
      "rule_id": null,
      "synthesis": false,
      "sources": []
    },
    "named_after": {
      "value": null,
      "rule": null,
      "rule_id": null,
      "synthesis": false,
      "sources": []
    }
  },
  "confidence": {
    "name": {
      "level": "high",
      "basis": "corroborated",
      "reasons": [
        "PBDB and Wikidata identify the same genus."
      ]
    },
    "authority": {
      "level": "medium",
      "basis": "single_source",
      "reasons": [
        "Only PBDB gives this; nothing contradicts it."
      ],
      "source": "PBDB"
    },
    "parent_name": {
      "level": "medium",
      "basis": "single_source",
      "reasons": [
        "Only PBDB gives this; nothing contradicts it."
      ],
      "source": "PBDB"
    },
    "family": {
      "level": "high",
      "basis": "corroborated",
      "reasons": [
        "PBDB and NHM agree."
      ]
    },
    "order": {
      "level": "medium",
      "basis": "single_source",
      "reasons": [
        "Only NHM gives this; nothing contradicts it."
      ],
      "source": "NHM"
    },
    "headline": {
      "level": "medium",
      "basis": "single_source",
      "reasons": [
        "Only PBDB gives a range this precise; NHM's records give only a broader interval, which contains it."
      ],
      "source": "PBDB"
    },
    "evidence": {
      "level": "medium",
      "basis": "synthesis",
      "reasons": [
        "Omnisaura's calculation from 10 confirmed PBDB records."
      ]
    },
    "diet": {
      "level": "medium",
      "basis": "single_source",
      "reasons": [
        "Only PBDB gives this, and it infers it for the whole of Ornithischia, the group this genus belongs to, not from this genus's own fossils."
      ],
      "source": "PBDB"
    },
    "life_habit": {
      "level": "low",
      "basis": "thin",
      "reasons": [
        "PBDB infers this way of life for the whole of Ornithischia; behaviour is rarely known for one genus."
      ]
    },
    "countries": {
      "level": "mixed",
      "basis": "items",
      "reasons": [
        "Entries differ; see each entry."
      ],
      "items": [
        {
          "value": "DE",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "FR",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "GB",
          "level": "high",
          "basis": "corroborated",
          "reasons": [
            "NHM and PBDB both record it."
          ]
        }
      ]
    },
    "formations": {
      "level": "mixed",
      "basis": "items",
      "reasons": [
        "Entries differ; see each entry."
      ],
      "items": [
        {
          "value": "Ashdown Formation",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Bückeberg",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Greensand Formation",
          "level": "low",
          "basis": "disputed",
          "reasons": [
            "Only NHM gives this name and it matches no PBDB formation; awaiting an editor."
          ]
        },
        {
          "value": "Tunbridge Wells Sand Formation",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (3 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "Wadhurst Clay Formation",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Weald Clay Formation",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "West Melbury Marly Chalk Formation",
          "level": "low",
          "basis": "disputed",
          "reasons": [
            "Only NHM gives this name and it matches no PBDB formation; awaiting an editor."
          ]
        }
      ]
    }
  },
  "gaps": {
    "missing": [
      {
        "field": "type_species",
        "label": "Type species",
        "note": "No source we use gives this yet."
      },
      {
        "field": "common_names",
        "label": "Common names",
        "note": "No source we use gives this yet."
      },
      {
        "field": "named_after",
        "label": "Named after",
        "note": "No source we use gives this yet."
      }
    ],
    "single_source": [
      {
        "field": "authority",
        "label": "Authority",
        "source": "PBDB"
      },
      {
        "field": "parent_name",
        "label": "Parent group",
        "source": "PBDB"
      },
      {
        "field": "order",
        "label": "Order",
        "source": "NHM"
      },
      {
        "field": "headline",
        "label": "Age (headline)",
        "source": "PBDB"
      },
      {
        "field": "diet",
        "label": "Diet",
        "source": "PBDB"
      }
    ],
    "disputed": [
      {
        "field": "formations",
        "label": "Formations",
        "note": "One source names a formation the other does not.",
        "values": [
          {
            "source": "PBDB",
            "source_id": "pbdb",
            "value": null
          },
          {
            "source": "NHM",
            "source_id": "nhm",
            "value": "Greensand Formation"
          }
        ]
      },
      {
        "field": "formations",
        "label": "Formations",
        "note": "One source names a formation the other does not.",
        "values": [
          {
            "source": "PBDB",
            "source_id": "pbdb",
            "value": null
          },
          {
            "source": "NHM",
            "source_id": "nhm",
            "value": "West Melbury Marly Chalk Formation"
          }
        ]
      }
    ],
    "withheld": [
      {
        "records": "specimens",
        "status": "higher_rank_only",
        "count": 2,
        "reason": "NHM specimens identified only to a broader group, not to this genus"
      },
      {
        "records": "specimens",
        "status": "related_other_genus",
        "count": 2,
        "reason": "NHM specimens identified as a related genus"
      }
    ]
  },
  "assessment": {
    "levels": {
      "high": "Two independent sources agree, or an editor has ruled.",
      "medium": "One source; nothing contradicts it.",
      "low": "Sources disagree and no editor has ruled yet, or too few records."
    },
    "by": "Omnisaura",
    "license_id": "OMNISAURA-EDITORIAL"
  },
  "formation_matches": [
    {
      "name": "Ashdown",
      "same_as": "Ashdown Formation",
      "status": "automatic",
      "ruling": null
    },
    {
      "name": "Tunbridge Wells Sand",
      "same_as": "Tunbridge Wells Sand Formation",
      "status": "automatic",
      "ruling": null
    },
    {
      "name": "Wadhurst Clay",
      "same_as": "Wadhurst Clay Formation",
      "status": "automatic",
      "ruling": null
    },
    {
      "name": "Weald Clay",
      "same_as": "Weald Clay Formation",
      "status": "automatic",
      "ruling": null
    }
  ],
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    "scope": "confirmed matches only",
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        "license_url": "https://creativecommons.org/licenses/by/4.0/",
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    "references": 107
  },
  "credits_markdown": "## Hylaeosaurus: Sources & credits\n\n_Scope: confirmed matches only._\n\n### Data\n- **Paleobiology Database** (https://paleobiodb.org): [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/). Data from the Paleobiology Database (https://paleobiodb.org), licensed CC BY 4.0. Retrieved 4 October 2026, 5 October 2026, 10 October 2026, 11 October 2026.\n- **Natural History Museum Data Portal** (https://data.nhm.ac.uk): [Creative Commons Zero 1.0 (public domain dedication)](https://creativecommons.org/publicdomain/zero/1.0/). Natural History Museum (London) Data Portal, Collection specimens dataset, https://doi.org/10.5519/0002965. Image licenses vary per record. Retrieved 5 October 2026, 10 October 2026, 11 October 2026. _Credited as a courtesy: this licence doesn't require attribution._\n- **Wikidata** (https://www.wikidata.org): [Creative Commons Zero 1.0 (public domain dedication)](https://creativecommons.org/publicdomain/zero/1.0/). Data from Wikidata (https://www.wikidata.org), CC0 1.0. Retrieved 11 October 2026. _Credited as a courtesy: this licence doesn't require attribution._\n\nAges for 30 specimen(s) were derived from their stage names using the ICS International Chronostratigraphic Chart v2024/12 (International Commission on Stratigraphy), via the Paleobiology Database (CC BY 4.0).\n\n### Images (85)\n- “File:Hylaeosaurus TD.png” (Taxon image): TotalDino (Own work), via Wikimedia Commons (https://commons.wikimedia.org/wiki/File:Hylaeosaurus_TD.png). [Creative Commons Attribution-ShareAlike 4.0](https://creativecommons.org/licenses/by-sa/4.0/). Shown unmodified (share-alike licence).\n- “File:Hylaeosaurus armatus.png” (Taxon image): Sven Sachs, Jahn J. Hornung (http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0060571), via Wikimedia Commons (https://commons.wikimedia.org/wiki/File:Hylaeosaurus_armatus.png). [Creative Commons Attribution 2.5](https://creativecommons.org/licenses/by/2.5/).\n- “NHM-UK_P_DF118_03_02_0481” (specimen PV OR 26034): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/cfe60596-7c12-4d2c-9bae-72a8a5a6cdca). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_03_03_0143” (specimen PV OR 28681): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/d49ade3c-6797-4e42-b9e1-4825ccfa9ecc). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_03_03_0185” (specimen PV OR 28936): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/34307e39-37ac-43b2-a1c9-245d84e088dd). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_03_03_0185” (specimen PV OR 28949): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/34307e39-37ac-43b2-a1c9-245d84e088dd). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_02_01_0431” (specimen PV OR 36487): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/f1686835-a61e-4c84-b902-4f61f78649fc). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_02_02_0431” (specimen PV OR 36487): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/cde560e9-79b8-427f-8352-2e17c34fcd81). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_03_04_0421” (specimen PV OR 36487): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/4eafbaed-a483-40a3-b89f-5378358485cf). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_02_01_0431” (specimen PV OR 36488): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/f1686835-a61e-4c84-b902-4f61f78649fc). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_02_02_0431” (specimen PV OR 36488): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/cde560e9-79b8-427f-8352-2e17c34fcd81). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_03_04_0421” (specimen PV OR 36488): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/4eafbaed-a483-40a3-b89f-5378358485cf). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_02_01_0431” (specimen PV OR 36489): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/f1686835-a61e-4c84-b902-4f61f78649fc). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_02_02_0431” (specimen PV OR 36489): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/cde560e9-79b8-427f-8352-2e17c34fcd81). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_03_04_0421” (specimen PV OR 36489): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/4eafbaed-a483-40a3-b89f-5378358485cf). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_02_01_0431” (specimen PV OR 36490): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/f1686835-a61e-4c84-b902-4f61f78649fc). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_02_02_0431” (specimen PV OR 36490): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/cde560e9-79b8-427f-8352-2e17c34fcd81). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_03_04_0421” (specimen PV OR 36490): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/4eafbaed-a483-40a3-b89f-5378358485cf). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_02_01_0431” (specimen PV OR 36491): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/f1686835-a61e-4c84-b902-4f61f78649fc). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_02_02_0431” (specimen PV OR 36491): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/cde560e9-79b8-427f-8352-2e17c34fcd81). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_03_04_0421” (specimen PV OR 36491): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/4eafbaed-a483-40a3-b89f-5378358485cf). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_02_01_0431” (specimen PV OR 36492): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/f1686835-a61e-4c84-b902-4f61f78649fc). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_02_02_0431” (specimen PV OR 36492): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/cde560e9-79b8-427f-8352-2e17c34fcd81). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_03_04_0421” (specimen PV OR 36492): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/4eafbaed-a483-40a3-b89f-5378358485cf). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_02_01_0431” (specimen PV OR 36493): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/f1686835-a61e-4c84-b902-4f61f78649fc). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_02_02_0431” (specimen PV OR 36493): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/cde560e9-79b8-427f-8352-2e17c34fcd81). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_03_04_0421” (specimen PV OR 36493): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/4eafbaed-a483-40a3-b89f-5378358485cf). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_03_05_0167” (specimen PV OR 40447): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/e156e950-1df0-467b-ac32-0402f88b9c20). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_03_05_0167” (specimen PV OR 40448): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/e156e950-1df0-467b-ac32-0402f88b9c20). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_03_05_0169” (specimen PV OR 40458): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/612953d3-459c-4699-a9ea-c3c01ae7d431). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_03_21_0197” (specimen PV R 1106): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/3077fe08-395f-4b8a-b78e-c15ffcb393c6). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_03_21_0197” (specimen PV R 1107): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/3077fe08-395f-4b8a-b78e-c15ffcb393c6). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_03_21_0491” (specimen PV R 2528): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/02e9ad01-38e4-4b8b-90db-b04447aac6d0). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_03_22_0227” (specimen PV R 3782): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/57f656be-8da7-43ee-8917-a94eab97436e). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_03_21_0115” (specimen PV R 647): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/5e94c064-269a-48e0-ace3-ceeab7ef5e20). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_03_21_0121” (specimen PV R 695): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/a7298709-8efd-434a-99f4-31efbf073262). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010023899_L010093616” (specimen PV OR 2125): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/63a7f2eb-bf08-415e-a9fd-422a4e554acc). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010029162_L010093427” (specimen PV OR 2150): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/1aca6281-7d53-4a28-be91-a7782d66801c). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010027834_L010093616” (specimen PV OR 2188): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/040b8e87-bddd-4c3a-8fa5-6d716a74fd48). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010025250_L010093331” (specimen PV OR 2310): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/e775f436-d616-4423-906d-9ed6000f7a27). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010026323_L010093615” (specimen PV OR 2417): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/0ade83e6-9743-4775-aec6-781b651ca7be). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010027690_L010093617” (specimen PV OR 2484): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/3f4b0654-f682-47a3-8330-87ed670e5c0f). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010027690_L010093617_(1)” (specimen PV OR 2484): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/1bfe4434-a4e6-4dc7-b0c0-b296c3fd845c). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010023803_L010093616” (specimen PV OR 2511): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/bfbb9e3e-2e15-49af-858e-9ed899e86740). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010023851_L010093616” (specimen PV OR 2583): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/19a5ebb3-c2ea-42ea-9acf-7ab68453c062). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010029588_L010093619” (specimen PV OR 2584): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/0a0ca402-addb-43b7-a79b-687feff98785). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010023779_L010093616” (specimen PV OR 2585): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/a9c97ed4-7b63-482e-8759-0798b87cba1a). 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[Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010033571_L010093620” (specimen PV OR 28936): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/fee1175d-1ec9-4f86-816c-284fff216980). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010033691_L010093617” (specimen PV OR 28949): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/7fe9b3ec-1d02-4fec-b31f-8a787617659c). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010025226_L010093331” (specimen PV OR 3326): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/e22a1277-e259-4189-a6a5-497a5ec4a2e3). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010033667_L010093617” (specimen PV OR 36487): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/399f02e9-5550-42a5-819e-b6316fff995f). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010033667_L010093617_(1)” (specimen PV OR 36487): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/f1723a5f-f8e0-4c10-b70b-fca507f43108). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010025298_L010093331” (specimen PV OR 36488): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/23f22f48-c846-4db6-83cb-7c4e55530828). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010026203_L010093615” (specimen PV OR 36489): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/581b363c-deb4-4bd8-bbf1-909ba889f638). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010023755_L010093616” (specimen PV OR 36490): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/e59705bd-6317-4c91-bf34-3020e68b98a4). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010023755_L010093616” (specimen PV OR 36491): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/e59705bd-6317-4c91-bf34-3020e68b98a4). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010026083_L010093616” (specimen PV OR 36492): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/979eebf1-db3a-403b-bd49-2caeb6b1b921). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010026059_L010093616” (specimen PV OR 36493): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/e7a0f142-dff3-4c3a-99e8-1a64272fe5e5). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010032826_L010222388” (specimen PV OR 3775): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/e277088e-6363-4331-83a0-b61b2e8e6882). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010032826_L010222388_(1)” (specimen PV OR 3775): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/d2083034-d937-4f0b-8e7d-2b2d059ad75f). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010023656_L010221266” (specimen PV OR 3789): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/42abdefb-db11-43b1-83cb-a428552348ab). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010023656_L010221266_(1)” (specimen PV OR 3789): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/6675ae91-d749-416f-8b57-330ac3a75e78). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010023656_L010221266_(2)” (specimen PV OR 3789): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/21c21811-d6d4-4bd7-bffd-71d86107bf8e). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010023656_L010221266_(3)” (specimen PV OR 3789): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/2c48949f-f202-4b30-8c82-4e2f50369f49). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010023656_L010221266_(4)” (specimen PV OR 3789): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/e2c675ac-c935-480a-9bb2-cc5fb6935179). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010023656_L010221266_(5)” (specimen PV OR 3789): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/6e7e7e1b-c420-4bcb-9c58-d99f67629525). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010026347_L010093615” (specimen PV OR 40447): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/bf820492-bea4-4ee6-a4d5-7fa6e3ec0fd1). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010026515_L010093615” (specimen PV OR 40448): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/3d5af9d0-9daa-46b9-bfd4-7d10c37b85d1). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010036187_L010093635” (specimen PV OR 40458): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/c6dfafb7-3ba9-4abe-be1f-77f0990d7791). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010024572_L010093620” (specimen PV R 1106): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/62c2f2d4-549f-494d-ab47-271da9941bfc). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010024572_L010093620_(1)” (specimen PV R 1106): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/1476c628-6500-43c1-ba6e-917f393aac5d). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010039380_L010093620” (specimen PV R 1107): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/b8723e21-6a11-4f57-9bfc-232024ca40ae). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010039380_L010093620_(1)” (specimen PV R 1107): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/7b41f75e-4cd8-4b48-a7ee-04c4fbf94348). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010025442_L010093331” (specimen PV R 2528): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/942d73b4-cb4f-4500-aebc-969b86a90f29). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010036573_L010093363” (specimen PV R 647): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/14c916ad-c264-41c4-805c-60ccfc32c3c9). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010026131_L010093616” (specimen PV R 695): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/889bd8bd-b246-4f7b-a669-e258dd9d0634). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n\n### Scientific references\n\n107 published reference(s) support this entry (via the Paleobiology Database).\n",
  "notice": "Omnisaura data combines sources under different licences. Every genus file lists its credits; anyone showing a value must show the credits for it. Images keep their own licences; share-alike images may only be shown unmodified.",
  "fossil_basis": "body",
  "identifiers": [
    {
      "scheme": "pbdb",
      "name": "Paleobiology Database",
      "id": "38822",
      "url": "https://paleobiodb.org/classic/basicTaxonInfo?taxon_no=38822"
    },
    {
      "scheme": "enwiki",
      "name": "Wikipedia (English)",
      "id": "Hylaeosaurus",
      "url": "https://en.wikipedia.org/wiki/Hylaeosaurus"
    },
    {
      "scheme": "gbif",
      "name": "GBIF",
      "id": "3238876",
      "url": "https://www.gbif.org/species/3238876"
    },
    {
      "scheme": "wikidata",
      "name": "Wikidata",
      "id": "Q131770",
      "url": "https://www.wikidata.org/wiki/Q131770"
    }
  ],
  "other_names": {
    "species": [
      "Hylaeosaurus armatus",
      "Hylaeosaurus oweni"
    ],
    "synonyms": []
  },
  "original_description": {
    "citation": "G. A. Mantell (1833). The Geology of the South-East of England: xix–415.",
    "authors": "G. A. Mantell",
    "year": 1833,
    "title": null,
    "publication": "The Geology of the South-East of England",
    "volume": null,
    "issue": null,
    "pages": "xix–415",
    "doi": "10.5962/bhl.title.106921",
    "url": "https://doi.org/10.5962/bhl.title.106921",
    "what": "The publication the Paleobiology Database gives as the authority for this genus name, usually the one that first named and described it.",
    "confidence": {
      "level": "medium",
      "reasons": [
        "Only PBDB gives this; its author and year match the naming authority (Mantell 1833)."
      ]
    },
    "source": "pbdb",
    "source_name": "Paleobiology Database",
    "license_id": "CC-BY-4.0",
    "pbdb_reference_no": "23493"
  },
  "summary": "Omnisaura summary: Hylaeosaurus, Mantell 1833\n\n- Named by: Mantell 1833 (medium confidence: only PBDB gives this; nothing contradicts it).\n- Family: Nodosauridae (high confidence: PBDB and NHM agree).\n- Order: Ornithischia (medium confidence: only NHM gives this; nothing contradicts it).\n- Parent group: Nodosauridae (medium confidence: only PBDB gives this; nothing contradicts it).\n- Age, as published by the Paleobiology Database: Berriasian to Albian, 139.1–110.1 million years ago (medium confidence: only PBDB gives a range this precise; NHM's records give only a broader interval, which contains it).\n- Age, Omnisaura's own calculation (not a published figure): 139.1–110.1 million years ago (medium confidence: Omnisaura's calculation from 10 confirmed PBDB records).\n- Fossils found in: United Kingdom (high: NHM and PBDB both record it); Germany (low: only one PBDB record); France (low: only one PBDB record).\n- Rock formations: Tunbridge Wells Sand Formation (medium: only PBDB records it (3 records)); Ashdown Formation (low: only one PBDB record); Bückeberg (low: only one PBDB record); Greensand Formation (low: only NHM gives this name and it matches no PBDB formation; awaiting an editor); Wadhurst Clay Formation (low: only one PBDB record); Weald Clay Formation (low: only one PBDB record); West Melbury Marly Chalk Formation (low: only NHM gives this name and it matches no PBDB formation; awaiting an editor).\n- Original description: G. A. Mantell (1833). The Geology of the South-East of England: xix–415. https://doi.org/10.5962/bhl.title.106921 (medium confidence: only PBDB gives this; its author and year match the naming authority (Mantell 1833)).\n- Diet, inferred by PBDB for the group: herbivore (medium confidence: only PBDB gives this, and it infers it for the whole of Ornithischia, the group this genus belongs to, not from this genus's own fossils).\n- Way of life, inferred by PBDB for the group: ground dwelling, gregarious (low confidence: PBDB infers this way of life for the whole of Ornithischia; behaviour is rarely known for one genus).\n\nNot known or disputed:\n- Formations: sources disagree (NHM says Greensand Formation). Awaiting an Omnisaura editor.\n- Formations: sources disagree (NHM says West Melbury Marly Chalk Formation). Awaiting an Omnisaura editor.\n- Type species: no source Omnisaura uses gives this.\n- Common names: no source Omnisaura uses gives this.\n- Named after: no source Omnisaura uses gives this.\n- 2 record(s) left out: nHM specimens identified only to a broader group, not to this genus.\n- 2 record(s) left out: nHM specimens identified as a related genus.\n\nNot covered by Omnisaura: size, weight, appearance, or behaviour beyond the way of life PBDB infers for the group. Do not fill these in from general knowledge as if they came from Omnisaura.\n\nCredits (must be shown with any of this): Natural History Museum Data Portal (CC0-1.0); Paleobiology Database (CC-BY-4.0); Wikidata (CC0-1.0)."
}