{
  "schema": "omnisaura.snapshot/v3",
  "uid": "omnisaura:profile:megalosauropus",
  "genus": "Megalosauropus",
  "data_as_of": "2026-10-11",
  "raw_run": "2026-10-11_3",
  "profile": {
    "name": {
      "value": "Megalosauropus",
      "rule": "PBDB leads",
      "rule_id": "merge:lead_pbdb",
      "synthesis": false,
      "sources": [
        {
          "source": "pbdb",
          "license": "CC-BY-4.0"
        }
      ]
    },
    "authority": {
      "value": "Kaever and Lapparent 1974",
      "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": null,
      "rule": null,
      "rule_id": null,
      "synthesis": false,
      "sources": []
    },
    "family": {
      "value": "Eubrontidae",
      "rule": "PBDB leads",
      "rule_id": "merge:lead_pbdb",
      "synthesis": false,
      "sources": [
        {
          "source": "pbdb",
          "license": "CC-BY-4.0"
        }
      ]
    },
    "parent_name": {
      "value": "Eubrontidae",
      "rule": "PBDB leads",
      "rule_id": "merge:lead_pbdb",
      "synthesis": false,
      "sources": [
        {
          "source": "pbdb",
          "license": "CC-BY-4.0"
        }
      ]
    },
    "headline": {
      "value": [
        201.4,
        143.1,
        "Hettangian",
        "Tithonian"
      ],
      "rule": "PBDB leads",
      "rule_id": "merge:lead_pbdb",
      "synthesis": false,
      "sources": [
        {
          "source": "pbdb",
          "license": "CC-BY-4.0"
        }
      ]
    },
    "evidence": {
      "value": [
        154.8,
        100.5
      ],
      "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": [
        "AU",
        "DZ",
        "HR",
        "PT",
        "US"
      ],
      "rule": "Union of all sources (ISO 3166)",
      "rule_id": "merge:union_iso3166",
      "synthesis": false,
      "sources": [
        {
          "source": "pbdb",
          "license": "CC-BY-4.0"
        }
      ]
    },
    "formations": {
      "value": [
        "Broome Sandstone",
        "Camadas de Almargem",
        "Continental Intercalaire",
        "Patuxent",
        "Tiloula"
      ],
      "rule": "Canonical names, automatic and editor-approved matches applied",
      "rule_id": "merge:canonical_formations",
      "synthesis": false,
      "sources": [
        {
          "source": "pbdb",
          "license": "CC-BY-4.0"
        }
      ]
    },
    "diet": {
      "value": null,
      "rule": null,
      "rule_id": null,
      "synthesis": false,
      "sources": []
    },
    "life_habit": {
      "value": null,
      "rule": null,
      "rule_id": null,
      "synthesis": false,
      "sources": []
    },
    "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": "medium",
      "basis": "single_source",
      "reasons": [
        "Only PBDB gives this; nothing contradicts it."
      ],
      "source": "PBDB"
    },
    "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": "medium",
      "basis": "single_source",
      "reasons": [
        "Only PBDB gives this; nothing contradicts it."
      ],
      "source": "PBDB"
    },
    "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 14 confirmed PBDB records."
      ]
    },
    "countries": {
      "level": "mixed",
      "basis": "items",
      "reasons": [
        "Entries differ; see each entry."
      ],
      "items": [
        {
          "value": "AU",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (6 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "DZ",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (5 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "HR",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "PT",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "US",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        }
      ]
    },
    "formations": {
      "level": "mixed",
      "basis": "items",
      "reasons": [
        "Entries differ; see each entry."
      ],
      "items": [
        {
          "value": "Broome Sandstone",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (6 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "Camadas de Almargem",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Continental Intercalaire",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Patuxent",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Tiloula",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (2 records)."
          ],
          "source": "PBDB"
        }
      ]
    }
  },
  "gaps": {
    "missing": [
      {
        "field": "type_species",
        "label": "Type species",
        "note": "No source we use gives this yet."
      },
      {
        "field": "order",
        "label": "Order",
        "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": "name",
        "label": "Name",
        "source": "PBDB"
      },
      {
        "field": "authority",
        "label": "Authority",
        "source": "PBDB"
      },
      {
        "field": "parent_name",
        "label": "Parent group",
        "source": "PBDB"
      },
      {
        "field": "family",
        "label": "Family",
        "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": "201.4–143.1 Ma"
          },
          {
            "source": "PBDB's own confirmed records",
            "source_id": "pbdb",
            "value": "154.8–100.5 Ma"
          }
        ]
      }
    ],
    "withheld": [
      {
        "records": "occurrences",
        "status": "related_other_genus",
        "count": 65,
        "reason": "occurrences with status related_other_genus"
      },
      {
        "records": "occurrences",
        "status": "tentative",
        "count": 1,
        "reason": "PBDB fossil records identified only tentatively (for example 'cf.', '?', or the genus name in quotation marks, PBDB's mark for a loose use)"
      }
    ]
  },
  "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": [],
  "credits": {
    "genus": "Megalosauropus",
    "scope": "confirmed matches only",
    "data_sources": [
      {
        "values": 2047,
        "retrieved": [
          "2026-10-04",
          "2026-10-05",
          "2026-10-10",
          "2026-10-11"
        ],
        "source": "pbdb",
        "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,
        "attribution": "Data from the Paleobiology Database (https://paleobiodb.org), licensed CC BY 4.0.",
        "source_name": "Paleobiology Database",
        "homepage": "https://paleobiodb.org"
      }
    ],
    "images": [],
    "derived_ages": null,
    "references": 94
  },
  "credits_markdown": "## Megalosauropus: 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\n### Images (0)\n_No images._\n\n### Scientific references\n\n94 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": "trace",
  "identifiers": [
    {
      "scheme": "pbdb",
      "name": "Paleobiology Database",
      "id": "206646",
      "url": "https://paleobiodb.org/classic/basicTaxonInfo?taxon_no=206646"
    }
  ],
  "other_names": {
    "species": [
      "Megalosauropus brionensis",
      "Megalosauropus broomensis"
    ],
    "synonyms": []
  },
  "original_description": {
    "citation": "M. Kaever, A. F. d. Lapparent (1974). Les traces de pas de Dinosaures du Jurassique de Barkhausen (Basse Saxe, Allemagne) [Dinosaur footprints from the Jurassic of Barkhausen (Lower Saxony, Germany)]. Bulletin de la Société Géologique de France, 7e série 16(5): 516–525.",
    "authors": "M. Kaever, A. F. d. Lapparent",
    "year": 1974,
    "title": "Les traces de pas de Dinosaures du Jurassique de Barkhausen (Basse Saxe, Allemagne) [Dinosaur footprints from the Jurassic of Barkhausen (Lower Saxony, Germany)]",
    "publication": "Bulletin de la Société Géologique de France, 7e série",
    "volume": "16",
    "issue": "5",
    "pages": "516–525",
    "doi": "10.2113/gssgfbull.s7-xvi.5.516",
    "url": "https://doi.org/10.2113/gssgfbull.s7-xvi.5.516",
    "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 (Kaever and Lapparent 1974)."
      ]
    },
    "source": "pbdb",
    "source_name": "Paleobiology Database",
    "license_id": "CC-BY-4.0",
    "pbdb_reference_no": "38671"
  },
  "summary": "Omnisaura summary: Megalosauropus, Kaever and Lapparent 1974\n\n- What it is: Known only from footprints or other traces: the name is for the traces themselves (an ichnogenus), and which dinosaur made them is usually not known for certain.\n- Named by: Kaever and Lapparent 1974 (medium confidence: only PBDB gives this; nothing contradicts it).\n- Family: Eubrontidae (medium confidence: only PBDB gives this; nothing contradicts it).\n- Parent group: Eubrontidae (medium confidence: only PBDB gives this; nothing contradicts it).\n- Age, as published by the Paleobiology Database: Hettangian to Tithonian, 201.4–143.1 million years ago (low confidence: sources disagree and an editor has not ruled yet).\n- Age, Omnisaura's own calculation (not a published figure): 154.8–100.5 million years ago (medium confidence: Omnisaura's calculation from 14 confirmed PBDB records).\n- Fossils found in: Australia (medium: only PBDB records it (6 records)); Algeria (medium: only PBDB records it (5 records)); Croatia (low: only one PBDB record); Portugal (low: only one PBDB record); United States (low: only one PBDB record).\n- Rock formations: Broome Sandstone (medium: only PBDB records it (6 records)); Tiloula (medium: only PBDB records it (2 records)); Camadas de Almargem (low: only one PBDB record); Continental Intercalaire (low: only one PBDB record); Patuxent (low: only one PBDB record).\n- Original description: M. Kaever, A. F. d. Lapparent (1974). Les traces de pas de Dinosaures du Jurassique de Barkhausen (Basse Saxe, Allemagne) [Dinosaur footprints from the Jurassic of Barkhausen (Lower Saxony, Germany)]. Bulletin de la Société Géologique de France, 7e série 16(5): 516–525. https://doi.org/10.2113/gssgfbull.s7-xvi.5.516 (medium confidence: only PBDB gives this; its author and year match the naming authority (Kaever and Lapparent 1974)).\n\nNot known or disputed:\n- Age: sources disagree (PBDB says 201.4–143.1 Ma; PBDB's own confirmed records says 154.8–100.5 Ma). Awaiting an Omnisaura editor.\n- Type species: no source Omnisaura uses gives this.\n- Order: 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- 65 record(s) left out: occurrences with status related_other_genus.\n- 1 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\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): Paleobiology Database (CC-BY-4.0)."
}