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Cetacea

A systematic synthesis recognizes Cetacea from a sequence of separately sampled Eocene fossils and living lineages, but explicitly combines paleontological, anatomical, stratigraphic and molecular evidence rather than documenting one continuous population or exact origination event. This navigation entry is not a phylogeny or a complete taxon dossier.

Represented range53–Present Ma
Content packagecetartiodactyla
PBDBtxn:36652

Evidence boundary

Automated checks cover structure, identifiers, translations and links only; maintainer and external expert review are not complete.

Claim ledger

taxonomy · medium

A systematic synthesis recognizes Cetacea from a sequence of separately sampled Eocene fossils and living lineages, but explicitly combines paleontological, anatomical, stratigraphic and molecular evidence rather than documenting one continuous population or exact origination event.

claim:taxon:cetacea:sampled-record
fossil-range · medium

Cetacea is displayed at 53–0 Ma only as a review-bounded fossil-to-living navigation envelope, not an exact cetacean origination date. The interval is a source-bounded sample window, not a global FAD, LAD, divergence date, continuous occupancy claim or direct-ancestor assertion.

claim:taxon:cetacea:source-bounded-range-rc49

Known limits

References

  1. The Origin(s) of WhalesUhen, M.D. · 2010 · DOI 10.1146/annurev-earth-040809-152453
  2. International Chronostratigraphic Chart v2026/06Cohen, K.M.; Harper, D.A.T.; Gibbard, P.L.; Car, N. · 2026 · DOI 10.18814/epiiugs/2025/025001
  3. Open Tree of Life web servicesOpenTreeOfLife Project
  4. The Paleobiology Database application programming interfacePeters, S.E.; McClennen, M. · 2016 · DOI 10.1017/pab.2015.39
  5. Denormalized occurrence and taxon tables of the Paleobiology DatabaseThe Paleobiology Database Community; Kocsis, Á.T. · 2026 · DOI 10.5281/zenodo.21620933
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