Texas “Miacis” beardog reappraisal

Re-examined Eocene skull and jaw material tests whether two species long assigned to Miacis belong near the base of Amphicyonidae.

Represented range42–36.6 Ma

RegionsChambers Tuff, Trans-Pecos Texas, USA

CladesAmphicyonidae · Gustafsonia · Angelarctocyon

Claim ledger

topology · medium

CT and renewed scoring of TMM 40209-200 and the Angelarctocyon jaw sample support reassignment of two Texas “Miacis” species to distinct genera recovered as basal amphicyonids, but geographic origin and exact branching order remain model-dependent.

claim:event:texas-basal-amphicyonid-reappraisal

References

Whence the beardogs? Reappraisal of the Middle to Late Eocene “Miacis” from Texas, USA, and the origin of AmphicyonidaeTomiya, S.; Tseng, Z.J. · 2016 · DOI 10.1098/rsos.160518

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