Parioscorpio venator is documented from the Silurian Waukesha Lagerstatte in Wisconsin, including holotype UWGM 2162 and paratype UWGM 2163. Its 2021 redescription rejected the scorpion interpretation while leaving exact arthropod affinities unresolved; this occurrence does not date scorpion origins. This navigation entry is not a phylogeny or a complete taxon dossier.
Represented range437.5–436.5 Ma
Content packagetrilobites-chelicerates
PBDBtxn:404117
Evidence boundary
Automated checks cover structure, identifiers, translations and links only; maintainer and external expert review are not complete.
Claim ledger
fossil-range · medium
Parioscorpio venator is documented from the Silurian Waukesha Lagerstatte in Wisconsin, including holotype UWGM 2162 and paratype UWGM 2163. Its 2021 redescription rejected the scorpion interpretation while leaving exact arthropod affinities unresolved; this occurrence does not date scorpion origins.
claim:taxon:parioscorpio
Known limits
A missing branch or fossil occurrence does not imply biological absence. Internal nodes are not calibrated divergence estimates.