EXTINCT ATLAS WIKIEXTINCT LIFE ARCHIVE

Citable extinct-life research data

Download 570 structured archive records and inspect specimen-linked estimates, countries, catalogue numbers and DOI references.

What is in the dataset?

The CSV contains all 570 core archive records. The first six specimen-linked rows additionally verify discovery country, catalogue number, estimate note and DOI. Unverified fields remain blank rather than guessed.

Download the CSV dataset

Initial traceable records

TaxonArchive age (not specimen dating)Specimen originSpecimenSize estimate and limitsDOISource
TyrannosaurusTyrannosaurus rexAbout 68–66 million years agoUnited StatesFMNH PR 2081 (SUE)Adult body-mass estimates are model-dependent; the cited study includes SUE among examined specimens.10.1371/journal.pone.0026037Field Museum — SUE
StegosaurusStegosaurus stenopsAbout 155–145 million years agoUnited StatesNHMUK PV R 36730 (Sophie)Approximately 5.5–6 m long for the cited individual.10.1371/journal.pone.0138352Natural History Museum collection record
ArchaeopteryxArchaeopteryx lithographicaAbout 149–145 million years agoGermanyNHMUK PV OR 37001 (London specimen)Specimen-based anatomy; no single site-wide mass estimate is asserted here.10.1038/nature02706Natural History Museum collection record
CaudipteryxCaudipteryx zouiAbout 125 million years agoChinaNGMC 97-4-A (holotype)Specimen record used for anatomy; no unsupported mass estimate supplied.10.1038/31635Nature — Two feathered dinosaurs from northeastern China
TiktaalikTiktaalik roseaeAbout 375 million years agoCanadaNUFV 108 (holotype)Specimen record used for anatomy and transition evidence.10.1038/nature04639Nature — A Devonian tetrapod-like fish
DodoRaphus cucullatusAbout 1,500 years ago–late 17th centuryMauritiusOUMNH.ZC.11605 (Oxford Dodo)Historic specimen preserving original head and foot material; not the museum's displayed composite skeleton. No whole-body estimate is asserted.10.1080/08912963.2020.1782396Oxford University Museum of Natural History

How to cite and interpret

Cite the version date, download URL and relevant DOI. Size is not an immutable single value; read the specimen note and paper method first.

Extinct Atlas Wiki. “Citable extinct-life research data.” Version 2026-09-02. https://extinctatlas.com/data