The 150–0 Ma Aves route is an avialan-to-living-bird navigation anthology: referred Archaeopteryx material supplies a Late Jurassic fossil anchor, but Archaeopteryx is outside crown Neornithes and the endpoint is not crown-Aves origination. This navigation entry is not a phylogeny or a complete taxon dossier.
Represented range150–Present Ma
Content packagecrocodylomorphs-birds
PBDBtxn:36616
Evidence boundary
Automated checks cover structure, identifiers, translations and links only; maintainer and external expert review are not complete.
Claim ledger
fossil-range · medium
The 150–0 Ma Aves route is an avialan-to-living-bird navigation anthology: referred Archaeopteryx material supplies a Late Jurassic fossil anchor, but Archaeopteryx is outside crown Neornithes and the endpoint is not crown-Aves origination.
claim:taxon:aves:root-range
Known limits
A missing branch or fossil occurrence does not imply biological absence. Internal nodes are not calibrated divergence estimates.