{
  "schema": "omnisaura.snapshot/v3",
  "uid": "omnisaura:profile:dromaeosaurus",
  "genus": "Dromaeosaurus",
  "data_as_of": "2026-10-10",
  "raw_run": "2026-10-10_2",
  "profile": {
    "name": {
      "value": "Dromaeosaurus",
      "rule": "PBDB leads",
      "rule_id": "merge:lead_pbdb",
      "synthesis": false,
      "sources": [
        {
          "source": "pbdb",
          "license": "CC-BY-4.0"
        }
      ]
    },
    "authority": {
      "value": "Matthew and Brown 1922",
      "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": "Saurischia",
      "rule": "Gap filled from NHM",
      "rule_id": "merge:gap_fill_nhm",
      "synthesis": false,
      "sources": [
        {
          "source": "nhm",
          "license": "CC0-1.0"
        }
      ]
    },
    "family": {
      "value": "Dromaeosauridae",
      "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": "Dromaeosaurinae",
      "rule": "PBDB leads",
      "rule_id": "merge:lead_pbdb",
      "synthesis": false,
      "sources": [
        {
          "source": "pbdb",
          "license": "CC-BY-4.0"
        }
      ]
    },
    "headline": {
      "value": [
        110.1,
        66.0,
        "Albian",
        "Maastrichtian"
      ],
      "rule": "PBDB leads",
      "rule_id": "merge:lead_pbdb",
      "synthesis": false,
      "sources": [
        {
          "source": "pbdb",
          "license": "CC-BY-4.0"
        }
      ]
    },
    "evidence": {
      "value": [
        110.1,
        66.0
      ],
      "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": [
        "CA",
        "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": [
        "Denver",
        "Dinosaur Park",
        "Ferris",
        "Foremost",
        "Hell Creek Formation",
        "Judith River Formation",
        "Lance Formation",
        "Laramie Formation",
        "Nanushuk",
        "Oldman",
        "Prince Creek"
      ],
      "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": "carnivore",
      "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",
      "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": "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": "high",
      "basis": "corroborated",
      "reasons": [
        "PBDB and NHM agree."
      ]
    },
    "evidence": {
      "level": "medium",
      "basis": "synthesis",
      "reasons": [
        "Omnisaura's calculation from 41 confirmed PBDB records."
      ]
    },
    "diet": {
      "level": "medium",
      "basis": "single_source",
      "reasons": [
        "Only PBDB gives this, and it infers it for the whole of Dromaeosauridae, 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 Dromaeosauridae; behaviour is rarely known for one genus."
      ]
    },
    "countries": {
      "level": "mixed",
      "basis": "items",
      "reasons": [
        "Entries differ; see each entry."
      ],
      "items": [
        {
          "value": "CA",
          "level": "high",
          "basis": "corroborated",
          "reasons": [
            "NHM and PBDB both record it."
          ]
        },
        {
          "value": "US",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (17 records)."
          ],
          "source": "PBDB"
        }
      ]
    },
    "formations": {
      "level": "mixed",
      "basis": "items",
      "reasons": [
        "Entries differ; see each entry."
      ],
      "items": [
        {
          "value": "Denver",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Dinosaur Park",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (14 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "Ferris",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (3 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "Foremost",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Hell Creek Formation",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Judith River Formation",
          "level": "high",
          "basis": "corroborated",
          "reasons": [
            "NHM and PBDB both record it."
          ]
        },
        {
          "value": "Lance Formation",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (2 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "Laramie Formation",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Nanushuk",
          "level": "low",
          "basis": "thin",
          "reasons": [
            "Only one PBDB record."
          ]
        },
        {
          "value": "Oldman",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (9 records)."
          ],
          "source": "PBDB"
        },
        {
          "value": "Prince Creek",
          "level": "medium",
          "basis": "single_source",
          "reasons": [
            "Only PBDB records it (3 records)."
          ],
          "source": "PBDB"
        }
      ]
    }
  },
  "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": "parent_name",
        "label": "Parent group",
        "source": "PBDB"
      },
      {
        "field": "order",
        "label": "Order",
        "source": "NHM"
      },
      {
        "field": "diet",
        "label": "Diet",
        "source": "PBDB"
      }
    ],
    "disputed": [],
    "withheld": [
      {
        "records": "occurrences",
        "status": "tentative",
        "count": 7,
        "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": [
    {
      "name": "Hell Creek",
      "same_as": "Hell Creek Formation",
      "status": "automatic",
      "ruling": null
    },
    {
      "name": "Judith River",
      "same_as": "Judith River Formation",
      "status": "automatic",
      "ruling": null
    },
    {
      "name": "Lance",
      "same_as": "Lance Formation",
      "status": "automatic",
      "ruling": null
    },
    {
      "name": "Laramie",
      "same_as": "Laramie Formation",
      "status": "automatic",
      "ruling": null
    }
  ],
  "credits": {
    "genus": "Dromaeosaurus",
    "scope": "confirmed matches only",
    "data_sources": [
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        "retrieved": [
          "2026-10-04",
          "2026-10-05",
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        "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"
      },
      {
        "values": 106,
        "retrieved": [
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        "source": "nhm",
        "license_id": "CC0-1.0",
        "license_name": "Creative Commons Zero 1.0 (public domain dedication)",
        "license_url": "https://creativecommons.org/publicdomain/zero/1.0/",
        "requires_attribution": false,
        "attribution": "Natural History Museum (London) Data Portal, Collection specimens dataset, https://doi.org/10.5519/0002965. Image licenses vary per record.",
        "source_name": "Natural History Museum Data Portal",
        "homepage": "https://data.nhm.ac.uk"
      },
      {
        "values": 25,
        "retrieved": [
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        ],
        "source": "wikidata",
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        "requires_attribution": false,
        "attribution": "Data from Wikidata (https://www.wikidata.org), CC0 1.0.",
        "source_name": "Wikidata",
        "homepage": "https://www.wikidata.org"
      }
    ],
    "images": [
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        "media_id": 2830,
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        "category": "Taxon image",
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        "title": "NHMUK_PV_R_12155_to_57_in_gallery",
        "category": "Specimen",
        "url": "https://data.nhm.ac.uk/media/5e296960-c0be-45e7-b34c-cf1e75fa1cfe",
        "page_url": null,
        "source": "nhm",
        "rights_holder": "The Trustees of the Natural History Museum, London",
        "catalog_number": "PV R 12157",
        "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/5e296960-c0be-45e7-b34c-cf1e75fa1cfe)"
      }
    ],
    "derived_ages": {
      "specimens": 3,
      "ics_version": "v2024/12"
    },
    "references": 145
  },
  "credits_markdown": "## Dromaeosaurus: 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 4 October 2026, 5 October 2026, 10 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 10 October 2026. _Credited as a courtesy: this licence doesn't require attribution._\n\nAges for 3 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 (12)\n- “File:Dinosauria - Dromaeosaurus.jpg” (Taxon image): Tylwyth Eldar (Own work), via Wikimedia Commons (https://commons.wikimedia.org/wiki/File:Dinosauria_-_Dromaeosaurus.jpg). [Creative Commons Attribution-ShareAlike 4.0](https://creativecommons.org/licenses/by-sa/4.0/). Shown unmodified (share-alike licence).\n- “File:Dromaeosaurus Restoration.png” (Taxon image): Fred Wierum (Own work), via Wikimedia Commons (https://commons.wikimedia.org/wiki/File:Dromaeosaurus_Restoration.png). [Creative Commons Attribution-ShareAlike 4.0](https://creativecommons.org/licenses/by-sa/4.0/). Shown unmodified (share-alike licence).\n- “File:Dromaeosaurus in Canadian Museum of Nature.jpg” (Taxon image): shankar s. (https://www.flickr.com/photos/shankaronline/20128517854/), via Wikimedia Commons (https://commons.wikimedia.org/wiki/File:Dromaeosaurus_in_Canadian_Museum_of_Nature.jpg). [Creative Commons Attribution 2.0](https://creativecommons.org/licenses/by/2.0/).\n- “NHMUK_PV_R_12155_to_57_gallery_label” (specimen PV R 12155): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/4187a3a0-681e-491f-b269-f5ecdbcad812). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHMUK_PV_R_12155_to_57_gallery_location_” (specimen PV R 12155): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/d701b7b1-120d-4e0e-8f8e-24da53956099). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHMUK_PV_R_12155_to_57_in_gallery” (specimen PV R 12155): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/5e296960-c0be-45e7-b34c-cf1e75fa1cfe). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHMUK_PV_R_12155_to_57_gallery_label” (specimen PV R 12156): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/4187a3a0-681e-491f-b269-f5ecdbcad812). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHMUK_PV_R_12155_to_57_gallery_location_” (specimen PV R 12156): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/d701b7b1-120d-4e0e-8f8e-24da53956099). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHMUK_PV_R_12155_to_57_in_gallery” (specimen PV R 12156): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/5e296960-c0be-45e7-b34c-cf1e75fa1cfe). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHMUK_PV_R_12155_to_57_gallery_label” (specimen PV R 12157): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/4187a3a0-681e-491f-b269-f5ecdbcad812). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHMUK_PV_R_12155_to_57_gallery_location_” (specimen PV R 12157): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/d701b7b1-120d-4e0e-8f8e-24da53956099). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n- “NHMUK_PV_R_12155_to_57_in_gallery” (specimen PV R 12157): The Trustees of the Natural History Museum, London; via NHM Data Portal (https://data.nhm.ac.uk/media/5e296960-c0be-45e7-b34c-cf1e75fa1cfe). [Creative Commons Attribution 4.0](https://creativecommons.org/licenses/by/4.0/).\n\n### Scientific references\n\n145 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": "38566",
      "url": "https://paleobiodb.org/classic/basicTaxonInfo?taxon_no=38566"
    },
    {
      "scheme": "enwiki",
      "name": "Wikipedia (English)",
      "id": "Dromaeosaurus",
      "url": "https://en.wikipedia.org/wiki/Dromaeosaurus"
    },
    {
      "scheme": "gbif",
      "name": "GBIF",
      "id": "4822955",
      "url": "https://www.gbif.org/species/4822955"
    },
    {
      "scheme": "wikidata",
      "name": "Wikidata",
      "id": "Q131082",
      "url": "https://www.wikidata.org/wiki/Q131082"
    }
  ],
  "other_names": {
    "species": [
      "Dromaeosaurus albertensis"
    ],
    "synonyms": []
  },
  "original_description": {
    "citation": "W. D. Matthew, B. Brown (1922). The family Deinodontidae, with notice of a new genus from the Cretaceous of Alberta. Bulletin of the American Museum of Natural History 46(6): 367–385.",
    "authors": "W. D. Matthew, B. Brown",
    "year": 1922,
    "title": "The family Deinodontidae, with notice of a new genus from the Cretaceous of Alberta",
    "publication": "Bulletin of the American Museum of Natural History",
    "volume": "46",
    "issue": "6",
    "pages": "367–385",
    "doi": null,
    "url": null,
    "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 (Matthew and Brown 1922), on which PBDB and Wikidata agree."
      ]
    },
    "source": "pbdb",
    "source_name": "Paleobiology Database",
    "license_id": "CC-BY-4.0",
    "pbdb_reference_no": "13165"
  },
  "summary": "Omnisaura summary: Dromaeosaurus, Matthew and Brown 1922\n\n- Named by: Matthew and Brown 1922 (high confidence: PBDB and Wikidata agree).\n- Family: Dromaeosauridae (high confidence: PBDB and NHM agree).\n- Order: Saurischia (medium confidence: only NHM gives this; nothing contradicts it).\n- Parent group: Dromaeosaurinae (medium confidence: only PBDB gives this; nothing contradicts it).\n- Age, as published by the Paleobiology Database: Albian to Maastrichtian, 110.1–66 million years ago (high confidence: PBDB and NHM agree).\n- Age, Omnisaura's own calculation (not a published figure): 110.1–66 million years ago (medium confidence: Omnisaura's calculation from 41 confirmed PBDB records).\n- Fossils found in: Canada (high: NHM and PBDB both record it); United States (medium: only PBDB records it (17 records)).\n- Rock formations: Judith River Formation (high: NHM and PBDB both record it); Dinosaur Park (medium: only PBDB records it (14 records)); Ferris (medium: only PBDB records it (3 records)); Lance Formation (medium: only PBDB records it (2 records)); Oldman (medium: only PBDB records it (9 records)); Prince Creek (medium: only PBDB records it (3 records)); Denver (low: only one PBDB record); Foremost (low: only one PBDB record); Hell Creek Formation (low: only one PBDB record); Laramie Formation (low: only one PBDB record); Nanushuk (low: only one PBDB record).\n- Original description: W. D. Matthew, B. Brown (1922). The family Deinodontidae, with notice of a new genus from the Cretaceous of Alberta. Bulletin of the American Museum of Natural History 46(6): 367–385. (high confidence: PBDB gives this publication for the name; its author and year match the naming authority (Matthew and Brown 1922), on which PBDB and Wikidata agree).\n- Diet, inferred by PBDB for the group: carnivore (medium confidence: only PBDB gives this, and it infers it for the whole of Dromaeosauridae, 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 (low confidence: PBDB infers this way of life for the whole of Dromaeosauridae; behaviour is rarely known for one genus).\n\nNot known or disputed:\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- 7 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): Natural History Museum Data Portal (CC0-1.0); Paleobiology Database (CC-BY-4.0); Wikidata (CC0-1.0)."
}