{
  "schema": "omnisaura.snapshot/v3",
  "uid": "omnisaura:profile:stegosaurus",
  "genus": "Stegosaurus",
  "data_as_of": "2026-10-04",
  "raw_run": "2026-10-04_2",
  "profile": {
    "name": {
      "value": "Stegosaurus",
      "rule": "PBDB leads",
      "rule_id": "merge:lead_pbdb",
      "synthesis": false,
      "sources": [
        {
          "source": "pbdb",
          "license": "CC-BY-4.0"
        }
      ]
    },
    "authority": {
      "value": "Marsh 1877",
      "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": "Stegosauridae",
      "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": "Stegosaurinae",
      "rule": "PBDB leads",
      "rule_id": "merge:lead_pbdb",
      "synthesis": false,
      "sources": [
        {
          "source": "pbdb",
          "license": "CC-BY-4.0"
        }
      ]
    },
    "headline": {
      "value": [
        161.5,
        93.9,
        "Oxfordian",
        "Cenomanian"
      ],
      "rule": "PBDB leads",
      "rule_id": "merge:lead_pbdb",
      "synthesis": false,
      "sources": [
        {
          "source": "pbdb",
          "license": "CC-BY-4.0"
        }
      ]
    },
    "evidence": {
      "value": [
        154.8,
        143.1
      ],
      "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": [
        "CN",
        "GB",
        "PT",
        "US"
      ],
      "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": [
        "Cedar Mountain",
        "Morrison Formation",
        "Praia da Amoreira-Porto Novo"
      ],
      "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": [
        "fr:Stégosaure",
        "ja:ステゴサウルス",
        "zh:劍龍屬"
      ],
      "rule": "Wikidata leads",
      "rule_id": "merge:lead_wikidata",
      "synthesis": false,
      "sources": [
        {
          "source": "wikidata",
          "license": "CC0-1.0"
        }
      ]
    },
    "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": "high",
      "basis": "corroborated",
      "reasons": [
        "PBDB and Wikidata agree."
      ]
    },
    "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": "low",
      "basis": "disputed",
      "reasons": [
        "Sources disagree and an editor has not ruled yet."
      ]
    },
    "evidence": {
      "level": "medium",
      "basis": "synthesis",
      "reasons": [
        "Omnisaura's calculation from 72 confirmed PBDB records.",
        "2 record(s) identified only to genus, dated well outside the species-level records, were set aside as doubtful."
      ]
    },
    "common_names": {
      "level": "medium",
      "basis": "single_source",
      "reasons": [
        "Only Wikidata gives this; nothing contradicts it."
      ],
      "source": "Wikidata"
    },
    "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": "CN",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "GB",
          "level": "low",
          "basis": "disputed",
          "reasons": [
            "NHM records it here but PBDB has no record in this country; awaiting an editor."
          ]
        },
        {
          "value": "PT",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "US",
          "level": "high",
          "basis": "corroborated",
          "reasons": [
            "NHM and PBDB both record it."
          ]
        }
      ]
    },
    "formations": {
      "level": "mixed",
      "basis": "items",
      "reasons": [
        "Entries differ; see each entry."
      ],
      "items": [
        {
          "value": "Cedar Mountain",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Morrison Formation",
          "level": "high",
          "basis": "corroborated",
          "reasons": [
            "NHM and PBDB both record it."
          ]
        },
        {
          "value": "Praia da Amoreira-Porto Novo",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        }
      ]
    }
  },
  "gaps": {
    "missing": [
      {
        "field": "type_species",
        "label": "Type species",
        "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": "parent_name",
        "label": "Parent group",
        "source": "PBDB"
      },
      {
        "field": "order",
        "label": "Order",
        "source": "NHM"
      },
      {
        "field": "common_names",
        "label": "Common names",
        "source": "Wikidata"
      },
      {
        "field": "diet",
        "label": "Diet",
        "source": "PBDB"
      }
    ],
    "disputed": [
      {
        "field": "headline",
        "label": "Age",
        "note": "The ages of the records reach well beyond the published range.",
        "values": [
          {
            "source": "PBDB",
            "source_id": "pbdb",
            "value": "161.5–93.9 Ma"
          },
          {
            "source": "NHM specimens",
            "source_id": "nhm",
            "value": "170.9–143.1 Ma"
          }
        ]
      },
      {
        "field": "countries",
        "label": "Countries",
        "note": "One source records a country the other does not.",
        "values": [
          {
            "source": "PBDB",
            "source_id": "pbdb",
            "value": "CN, PT, US"
          },
          {
            "source": "NHM",
            "source_id": "nhm",
            "value": "United Kingdom"
          }
        ]
      }
    ],
    "withheld": [
      {
        "records": "occurrences",
        "status": "related_other_genus",
        "count": 2,
        "reason": "occurrences with status related_other_genus"
      },
      {
        "records": "occurrences",
        "status": "tentative",
        "count": 10,
        "reason": "PBDB fossil records identified only tentatively (for example 'cf.', '?', or the genus name in quotation marks, PBDB's mark for a loose use)"
      },
      {
        "records": "specimens",
        "status": "higher_rank_only",
        "count": 1,
        "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": "Morrison",
      "same_as": "Morrison Formation",
      "status": "automatic",
      "ruling": null
    }
  ],
  "credits": {
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    "scope": "confirmed matches only",
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        "license_url": "https://creativecommons.org/licenses/by/4.0/",
        "requires_attribution": true,
        "attribution": "Data from the Paleobiology Database (https://paleobiodb.org), licensed CC BY 4.0.",
        "source_name": "Paleobiology Database",
        "homepage": "https://paleobiodb.org"
      },
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        "retrieved": [
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        "requires_attribution": false,
        "attribution": "Natural History Museum (London) Data Portal, Collection specimens dataset, https://doi.org/10.5519/0002965. Image licenses vary per record.",
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        "homepage": "https://data.nhm.ac.uk"
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        "title": "NHMUK PV R 36730 Sophie from 1st balcony left",
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        "media_id": 104,
        "title": "NHMUK PV R 36730 Sophie lit up in red",
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        "url": "https://data.nhm.ac.uk/media/2f687179-6f5a-49f8-8570-8480dd11bb10",
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        "media_id": 100,
        "title": "NHMUK PV R 36730 Sophie on display right side",
        "category": "Specimen",
        "url": "https://data.nhm.ac.uk/media/23c90f1c-37a7-4351-b9ab-29bf939ea741",
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      },
      {
        "media_id": 107,
        "title": "NHMUK PV R 36730 Sophie the Stegosaurus from 2nd balcony left",
        "category": "Specimen",
        "url": "https://data.nhm.ac.uk/media/c6e5dcae-f0ef-4acd-a4dd-ce56d09f8f46",
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        "source": "nhm",
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        "license_id": "CC-BY-4.0",
        "license_name": "Creative Commons Attribution 4.0",
        "license_url": "https://creativecommons.org/licenses/by/4.0/",
        "requires_attribution": true,
        "share_alike": false,
        "attribution": "The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/c6e5dcae-f0ef-4acd-a4dd-ce56d09f8f46)"
      },
      {
        "media_id": 105,
        "title": "NHMUK PV R 36730 Sophie the Stegosaurus from 2nd balcony right",
        "category": "Specimen",
        "url": "https://data.nhm.ac.uk/media/0510c18a-5a11-4704-b5d8-c4db051c03b8",
        "page_url": null,
        "source": "nhm",
        "rights_holder": "The Trustees of the Natural History Museum, London",
        "catalog_number": "PV R 36730",
        "license_id": "CC-BY-4.0",
        "license_name": "Creative Commons Attribution 4.0",
        "license_url": "https://creativecommons.org/licenses/by/4.0/",
        "requires_attribution": true,
        "share_alike": false,
        "attribution": "The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/0510c18a-5a11-4704-b5d8-c4db051c03b8)"
      },
      {
        "media_id": 106,
        "title": "NHMUK PV R 36730 Sophie the Stegosaurus from first balcony right",
        "category": "Specimen",
        "url": "https://data.nhm.ac.uk/media/0b546411-4f22-4c8d-9b05-7ff696f3ad53",
        "page_url": null,
        "source": "nhm",
        "rights_holder": "The Trustees of the Natural History Museum, London",
        "catalog_number": "PV R 36730",
        "license_id": "CC-BY-4.0",
        "license_name": "Creative Commons Attribution 4.0",
        "license_url": "https://creativecommons.org/licenses/by/4.0/",
        "requires_attribution": true,
        "share_alike": false,
        "attribution": "The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/0b546411-4f22-4c8d-9b05-7ff696f3ad53)"
      },
      {
        "media_id": 101,
        "title": "NHMUK PV R 36730 gallery label 01",
        "category": "Specimen",
        "url": "https://data.nhm.ac.uk/media/e40947e1-96c9-4fdc-bb00-932413ccbc52",
        "page_url": null,
        "source": "nhm",
        "rights_holder": "The Trustees of the Natural History Museum, London",
        "catalog_number": "PV R 36730",
        "license_id": "CC-BY-4.0",
        "license_name": "Creative Commons Attribution 4.0",
        "license_url": "https://creativecommons.org/licenses/by/4.0/",
        "requires_attribution": true,
        "share_alike": false,
        "attribution": "The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/e40947e1-96c9-4fdc-bb00-932413ccbc52)"
      },
      {
        "media_id": 102,
        "title": "NHMUK PV R 36730 gallery label 02",
        "category": "Specimen",
        "url": "https://data.nhm.ac.uk/media/60969105-57ce-44d7-b1de-cfe5987daf22",
        "page_url": null,
        "source": "nhm",
        "rights_holder": "The Trustees of the Natural History Museum, London",
        "catalog_number": "PV R 36730",
        "license_id": "CC-BY-4.0",
        "license_name": "Creative Commons Attribution 4.0",
        "license_url": "https://creativecommons.org/licenses/by/4.0/",
        "requires_attribution": true,
        "share_alike": false,
        "attribution": "The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/60969105-57ce-44d7-b1de-cfe5987daf22)"
      },
      {
        "media_id": 103,
        "title": "NHMUK PV R 36730 gallery label 03",
        "category": "Specimen",
        "url": "https://data.nhm.ac.uk/media/5a25633b-4c41-410c-addd-22638cb64ad1",
        "page_url": null,
        "source": "nhm",
        "rights_holder": "The Trustees of the Natural History Museum, London",
        "catalog_number": "PV R 36730",
        "license_id": "CC-BY-4.0",
        "license_name": "Creative Commons Attribution 4.0",
        "license_url": "https://creativecommons.org/licenses/by/4.0/",
        "requires_attribution": true,
        "share_alike": false,
        "attribution": "The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/5a25633b-4c41-410c-addd-22638cb64ad1)"
      },
      {
        "media_id": 124,
        "title": "010032419_L010093610",
        "category": "Specimen",
        "url": "https://data.nhm.ac.uk/media/816a18ff-0810-4160-9b1a-918a447c11a3",
        "page_url": null,
        "source": "nhm",
        "rights_holder": "The Trustees of the Natural History Museum, London",
        "catalog_number": "PV R 6333",
        "license_id": "CC-BY-4.0",
        "license_name": "Creative Commons Attribution 4.0",
        "license_url": "https://creativecommons.org/licenses/by/4.0/",
        "requires_attribution": true,
        "share_alike": false,
        "attribution": "The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/816a18ff-0810-4160-9b1a-918a447c11a3)"
      },
      {
        "media_id": 122,
        "title": "010032539_L010093610",
        "category": "Specimen",
        "url": "https://data.nhm.ac.uk/media/6a1060fd-c7e1-4cb9-aeb4-87a84a92bb15",
        "page_url": null,
        "source": "nhm",
        "rights_holder": "The Trustees of the Natural History Museum, London",
        "catalog_number": "PV R 6334",
        "license_id": "CC-BY-4.0",
        "license_name": "Creative Commons Attribution 4.0",
        "license_url": "https://creativecommons.org/licenses/by/4.0/",
        "requires_attribution": true,
        "share_alike": false,
        "attribution": "The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/6a1060fd-c7e1-4cb9-aeb4-87a84a92bb15)"
      },
      {
        "media_id": 120,
        "title": "010032515_L010093610",
        "category": "Specimen",
        "url": "https://data.nhm.ac.uk/media/5c2c5f9c-4518-4146-946f-969dcbb74615",
        "page_url": null,
        "source": "nhm",
        "rights_holder": "The Trustees of the Natural History Museum, London",
        "catalog_number": "PV R 6335",
        "license_id": "CC-BY-4.0",
        "license_name": "Creative Commons Attribution 4.0",
        "license_url": "https://creativecommons.org/licenses/by/4.0/",
        "requires_attribution": true,
        "share_alike": false,
        "attribution": "The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/5c2c5f9c-4518-4146-946f-969dcbb74615)"
      },
      {
        "media_id": 118,
        "title": "010032587_L010093610",
        "category": "Specimen",
        "url": "https://data.nhm.ac.uk/media/33655218-baf3-4b83-9db7-a1ed28bc4dd9",
        "page_url": null,
        "source": "nhm",
        "rights_holder": "The Trustees of the Natural History Museum, London",
        "catalog_number": "PV R 6336",
        "license_id": "CC-BY-4.0",
        "license_name": "Creative Commons Attribution 4.0",
        "license_url": "https://creativecommons.org/licenses/by/4.0/",
        "requires_attribution": true,
        "share_alike": false,
        "attribution": "The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/33655218-baf3-4b83-9db7-a1ed28bc4dd9)"
      }
    ],
    "derived_ages": {
      "specimens": 5,
      "ics_version": "v2024/12"
    },
    "references": 215
  },
  "credits_markdown": "## Stegosaurus: 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, 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 4 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 4 October 2026. _Credited as a courtesy: this licence doesn't require attribution._\n\nAges for 5 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 (24)\n- “File:Journal.pone.0138352.g001A.jpg” (Taxon image): Susannah Maidment et al. & Natural History Museum, London (Maidment SCR, Brassey C, Barrett PM (2015) The Postcranial Skeleton of an Exceptionally Complete Individual of the Plated Dinosaur Stegosaurus stenops (Dinosauria: Thyreophora) from the Upper Jurassic Morrison Formation of Wyoming, U.S.A. PLoS ONE 10(10): e0138352. doi:10.1371/journal.pone.0138352), via Wikimedia Commons (https://commons.wikimedia.org/wiki/File:Journal.pone.0138352.g001A.jpg). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “File:Stegosaurus stenops Life Reconstruction.png” (Taxon image): Fred Wierum (Own work), via Wikimedia Commons (https://commons.wikimedia.org/wiki/File:Stegosaurus_stenops_Life_Reconstruction.png). [Creative Commons Attribution-ShareAlike 4.0](https://creativecommons.org/licenses/by-sa/4.0/). Shown unmodified (share-alike licence).\n- “File:Stegosaurus ungulatus colored final.png” (Taxon image): User:Slate Weasel (Own work), via Wikimedia Commons (https://commons.wikimedia.org/wiki/File:Stegosaurus_ungulatus_colored_final.png). [Public domain (released by the author, Wikimedia Commons)](https://commons.wikimedia.org/wiki/Template:PD-self).\n- “File:Stegosaurus ungulatus.jpg” (Taxon image): Perry Quan from Oakville, Canada (Pittsburgh-2013-05-18-054 Uploaded by FunkMonk), via Wikimedia Commons (https://commons.wikimedia.org/wiki/File:Stegosaurus_ungulatus.jpg). [Creative Commons Attribution-ShareAlike 2.0](https://creativecommons.org/licenses/by-sa/2.0/). Shown unmodified (share-alike licence).\n- “Scaffold around Sophie 1” (specimen PV R 36730): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/7f9edfa9-0751-43bb-ba77-06d5ccd12301). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “Scaffold around Sophie 2” (specimen PV R 36730): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/6cad6d1f-9d02-48fd-9920-2a1da0883b55). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_03_22_0119” (specimen PV R 3216): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/425aab7b-10cd-4d17-ba2e-d383d84c42b0). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_03_23_0251” (specimen PV R 6333): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/6e8d57c2-cc28-48d5-9aae-84d5cd2f1b1b). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_03_23_0251” (specimen PV R 6334): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/6e8d57c2-cc28-48d5-9aae-84d5cd2f1b1b). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_03_23_0251” (specimen PV R 6335): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/6e8d57c2-cc28-48d5-9aae-84d5cd2f1b1b). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHM-UK_P_DF118_03_23_0251” (specimen PV R 6336): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/6e8d57c2-cc28-48d5-9aae-84d5cd2f1b1b). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHMUK PV R 36730 Sophie from 1st balcony left” (specimen PV R 36730): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/65a09190-d301-42df-9334-45a5be84b132). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHMUK PV R 36730 Sophie lit up in red” (specimen PV R 36730): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/2f687179-6f5a-49f8-8570-8480dd11bb10). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHMUK PV R 36730 Sophie on display right side” (specimen PV R 36730): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/23c90f1c-37a7-4351-b9ab-29bf939ea741). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHMUK PV R 36730 Sophie the Stegosaurus from 2nd balcony left” (specimen PV R 36730): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/c6e5dcae-f0ef-4acd-a4dd-ce56d09f8f46). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHMUK PV R 36730 Sophie the Stegosaurus from 2nd balcony right” (specimen PV R 36730): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/0510c18a-5a11-4704-b5d8-c4db051c03b8). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHMUK PV R 36730 Sophie the Stegosaurus from first balcony right” (specimen PV R 36730): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/0b546411-4f22-4c8d-9b05-7ff696f3ad53). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHMUK PV R 36730 gallery label 01” (specimen PV R 36730): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/e40947e1-96c9-4fdc-bb00-932413ccbc52). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHMUK PV R 36730 gallery label 02” (specimen PV R 36730): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/60969105-57ce-44d7-b1de-cfe5987daf22). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHMUK PV R 36730 gallery label 03” (specimen PV R 36730): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/5a25633b-4c41-410c-addd-22638cb64ad1). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010032419_L010093610” (specimen PV R 6333): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/816a18ff-0810-4160-9b1a-918a447c11a3). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010032539_L010093610” (specimen PV R 6334): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/6a1060fd-c7e1-4cb9-aeb4-87a84a92bb15). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010032515_L010093610” (specimen PV R 6335): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/5c2c5f9c-4518-4146-946f-969dcbb74615). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “010032587_L010093610” (specimen PV R 6336): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/33655218-baf3-4b83-9db7-a1ed28bc4dd9). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n\n### Scientific references\n\n215 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": "38814",
      "url": "https://paleobiodb.org/classic/basicTaxonInfo?taxon_no=38814"
    },
    {
      "scheme": "enwiki",
      "name": "Wikipedia (English)",
      "id": "Stegosaurus",
      "url": "https://en.wikipedia.org/wiki/Stegosaurus"
    },
    {
      "scheme": "gbif",
      "name": "GBIF",
      "id": "230581",
      "url": "https://www.gbif.org/species/230581"
    },
    {
      "scheme": "wikidata",
      "name": "Wikidata",
      "id": "Q14388",
      "url": "https://www.wikidata.org/wiki/Q14388"
    }
  ],
  "other_names": {
    "species": [
      "Stegosaurus affinis",
      "Stegosaurus armatus",
      "Stegosaurus duplex",
      "Stegosaurus stenops",
      "Stegosaurus sulcatus",
      "Stegosaurus ungulatus"
    ],
    "synonyms": [
      {
        "name": "Diracodon",
        "status": "subjective synonym of",
        "authority": "Marsh 1881"
      },
      {
        "name": "Hypsirophus",
        "status": "subjective synonym of",
        "authority": "Cope 1878"
      }
    ]
  },
  "original_description": {
    "citation": "O. C. Marsh (1877). A new order of extinct Reptilia (Stegosauria) from the Jurassic of the Rocky Mountains. American Journal of Science and Arts 14: 513–514.",
    "authors": "O. C. Marsh",
    "year": 1877,
    "title": "A new order of extinct Reptilia (Stegosauria) from the Jurassic of the Rocky Mountains",
    "publication": "American Journal of Science and Arts",
    "volume": "14",
    "issue": null,
    "pages": "513–514",
    "doi": "10.2475/ajs.s3-14.84.513",
    "url": "https://doi.org/10.2475/ajs.s3-14.84.513",
    "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": "high",
      "reasons": [
        "PBDB gives this publication for the name; its author and year match the naming authority (Marsh 1877), on which PBDB and Wikidata agree."
      ]
    },
    "source": "pbdb",
    "source_name": "Paleobiology Database",
    "license_id": "CC-BY-4.0",
    "pbdb_reference_no": "7808"
  },
  "summary": "Omnisaura summary: Stegosaurus, Marsh 1877\n\n- Named by: Marsh 1877 (high confidence: PBDB and Wikidata agree).\n- Family: Stegosauridae (high confidence: PBDB and NHM agree).\n- Order: Ornithischia (medium confidence: only NHM gives this; nothing contradicts it).\n- Parent group: Stegosaurinae (medium confidence: only PBDB gives this; nothing contradicts it).\n- Age, as published by the Paleobiology Database: Oxfordian to Cenomanian, 161.5–93.9 million years ago (low confidence: sources disagree and an editor has not ruled yet).\n- Age, Omnisaura's own calculation (not a published figure): 154.8–143.1 million years ago (medium confidence: Omnisaura's calculation from 72 confirmed PBDB records).\n- Fossils found in: United States (high: NHM and PBDB both record it); China (low: only one PBDB record); United Kingdom (low: NHM records it here but PBDB has no record in this country; awaiting an editor); Portugal (low: only one PBDB record).\n- Rock formations: Morrison Formation (high: NHM and PBDB both record it); Cedar Mountain (low: only one PBDB record); Praia da Amoreira-Porto Novo (low: only one PBDB record).\n- Original description: O. C. Marsh (1877). A new order of extinct Reptilia (Stegosauria) from the Jurassic of the Rocky Mountains. American Journal of Science and Arts 14: 513–514. https://doi.org/10.2475/ajs.s3-14.84.513 (high confidence: PBDB gives this publication for the name; its author and year match the naming authority (Marsh 1877), on which PBDB and Wikidata agree).\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- Common names: Stégosaure, ステゴサウルス, 劍龍屬 (medium confidence: only Wikidata gives this; nothing contradicts it).\n\nNot known or disputed:\n- Age: sources disagree (PBDB says 161.5–93.9 Ma; NHM specimens says 170.9–143.1 Ma). Awaiting an Omnisaura editor.\n- Countries: sources disagree (PBDB says CN, PT, US; NHM says United Kingdom). Awaiting an Omnisaura editor.\n- Type species: no source Omnisaura uses gives this.\n- Named after: no source Omnisaura uses gives this.\n- 2 record(s) left out: occurrences with status related_other_genus.\n- 10 record(s) left out: pBDB fossil records identified only tentatively (for example 'cf.', '?', or the genus name in quotation marks, PBDB's mark for a loose use).\n- 1 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)."
}
