The 58.3–0 Ma Xenarthra route retains the Riostegotherium entry from a combined phenomic–molecular chronology as a sampled/model bound; it is not a securely dated global FAD, crown origin or complete fossil range.
claim:taxon:xenarthra:root-rangeXenarthra
The 58.3–0 Ma Xenarthra route retains the Riostegotherium entry from a combined phenomic–molecular chronology as a sampled/model bound; it is not a securely dated global FAD, crown origin or complete fossil range. This navigation entry is not a phylogeny or a complete taxon dossier.
Represented range58.3–Present Ma
Content packageother-mammals
PBDBtxn:97907
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
- The placental mammal ancestor and the post–K–Pg radiation of placentalsO'Leary, M.A. et al. · 2013 · DOI 10.1126/science.1229237
- 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