Prehistoric Extinct Animals Codexery — Data & Quality

We publish our audit record because accuracy claims should be checkable. Every entry on this site runs through an automated fact-audit pipeline (accuracy audit → source-grounded repair → visual QA); this page is generated from that pipeline's own report, not written by hand.

Last full accuracy audit: 2026-09-02 · 10 entries checked · 3 flagged · 6 issues confirmed · 3 corrected · 3 still open

Recent findings (audit lane, verbatim)

Woolly rhinoceros — The claim that the woolly rhinoceros's closest living relative is the Sumatran rhinoceros is incorrect; genetic studies place Coelodonta within the Rhinocerotini tribe, closer to African rhinos like the white or black rhinoceros.

Abelisauridae — The entry states that abelisaurids possibly first appeared during the Middle Jurassic based on fragmentary remains, but the widely accepted earliest definitive abelisaurid fossils are from the Early Cretaceous; the claim of Middle Jurassic appearance is specul

Abelisauridae — The entry says the hand had four basic digits with phalangeal formula one on the second and two on the third, but the correct formula for known abelisaurids is 0-2-3-0 (second digit has two phalanges, third has three).

Coelophysis — Cope did not reclassify Coelurus longicollis and Coelurus bauri into the genus Tanystropheus; he reclassified them into the genus Coelophysis.

Coelophysis — The claim that Cope named Tanystropheus willistoni in this context is incorrect; Tanystropheus willistoni is a species of the non-dinosaurian genus Tanystropheus, not a synonym or reclassification of Coelophysis material.

Open data

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Corrections

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