The Crustacea root display uses a rounded 520–0 Ma sampled envelope from Lower Cambrian Yicaris material to living crustaceans; Yicaris crown-eucrustacean placement is a character interpretation and the number is not a crustacean origin date. This navigation entry is not a phylogeny or a complete taxon dossier.
Represented range520–Present Ma
Content packagecrustaceans-insects
PBDBtxn:82629
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 Crustacea root display uses a rounded 520–0 Ma sampled envelope from Lower Cambrian Yicaris material to living crustaceans; Yicaris crown-eucrustacean placement is a character interpretation and the number is not a crustacean origin date.
claim:taxon:crustacea:root-range-rc39
Known limits
A missing branch or fossil occurrence does not imply biological absence. Internal nodes are not calibrated divergence estimates.