One articulated Orthrozanclus body combines an anterior shell, three sclerite zones and marginal spines; Halwaxiida placement is a character-matrix hypothesis, not observed molluscan ancestry.
claim:taxon:orthrozanclusOrthrozanclus reburrus
One articulated Orthrozanclus body combines an anterior shell, three sclerite zones and marginal spines; Halwaxiida placement is a character-matrix hypothesis, not observed molluscan ancestry. This navigation entry is not a phylogeny or a complete taxon dossier.
Represented rangeRange unavailable
Content packagemolluscs-brachiopods
PBDBtxn:63455
Evidence boundary
Automated checks cover structure, identifiers, translations and links only; maintainer and external expert review are not complete.
Claim ledger
Known limits
- A missing branch or fossil occurrence does not imply biological absence. Internal nodes are not calibrated divergence estimates.
References
- Halwaxiids and the early evolution of the lophotrochozoansConway Morris, S.; Caron, J.-B. · 2007 · DOI 10.1126/science.1137187
- Open Tree of Life web servicesOpenTreeOfLife Project
- The Paleobiology Database application programming interfacePeters, S.E.; McClennen, M. · 2016 · DOI 10.1017/pab.2015.39
- Denormalized occurrence and taxon tables of the Paleobiology DatabaseThe Paleobiology Database Community; Kocsis, Á.T. · 2026 · DOI 10.5281/zenodo.21620933