Eosteus chongqingensis from approximately 436 Ma early Silurian strata anchors the 436–0 Ma Osteichthyes route as the oldest reported articulated bony-fish occurrence; its stem placement is analysis-dependent and is not a crown split or global origination date. This navigation entry is not a phylogeny or a complete taxon dossier.
Represented range436–Present Ma
Content packageatlas-core
PBDBNot linked
Evidence boundary
Automated checks cover structure, identifiers, translations and links only; maintainer and external expert review are not complete.
Claim ledger
fossil-range · medium
Eosteus chongqingensis from approximately 436 Ma early Silurian strata anchors the 436–0 Ma Osteichthyes route as the oldest reported articulated bony-fish occurrence; its stem placement is analysis-dependent and is not a crown split or global origination date.
claim:taxon:osteichthyes:root-range
Known limits
A missing branch or fossil occurrence does not imply biological absence. Internal nodes are not calibrated divergence estimates.