Atlas home / Traits / Crown membership is defined relationally, not by one universally diagnostic fossil character
Catalog / traitCrown membership is defined relationally, not by one universally diagnostic fossil character
“Crown membership is defined relationally, not by one universally diagnostic fossil character” is a descriptive trait phrase used by 1 curated taxon profile(s); it is not a normalized ontology term or an independent homology judgment.
Trait phrases come from editorial taxon profiles; specimen attribution, definitions, homology and coding scale require verification before comparative use.
Linked profiles1
Source records3
Content packagecrocodylomorphs-birds
Linked taxa
References
- Cretaceous Antarctic bird skull elucidates early avian ecological diversityTorres, C.R.; Clarke, J.A.; Groenke, J.R.; Lamanna, M.C.; MacPhee, R.D.E.; Musser, G.M.; Roberts, E.M.; O’Connor, P.M. · 2025 · DOI 10.1038/s41586-024-08390-0
- Late Cretaceous neornithine from Europe illuminates the origins of crown birdsField, D.J.; Benito, J.; Chen, A.; Jagt, J.W.M.; Ksepka, D.T. · 2020 · DOI 10.1038/s41586-020-2096-0
- A new time tree reveals Earth history's imprint on the evolution of modern birdsClaramunt, S.; Cracraft, J. · 2015 · DOI 10.1126/sciadv.1501005