Trimerostephanos coarctatus Ameghino 1901

Mammalia - Notoungulata - Isotemnidae

Alternative combination: Acoelohyrax coarctatus

Full reference: F. Ameghino. 1901. Notices préliminaires sur des ongulés nouveaux des terrains crétacés de Patagonie [Preliminary notes on new ungulates from the Cretaceous terrains of Patagonia]. Boletin de la Academia Nacional de Ciencias de Córdoba 16:349-429

Belongs to Trimerostephanos according to F. Ameghino 1901

See also Bond and López 1993 and Simpson 1967

Sister taxa: Trimerostephanos coalitus, Trimerostephanos scabrus, Trimerostephanos scalaris

Type specimen: MACN 10965, MACN 10966; two lots of various specimens. Its type locality is Mustersan of Patagonia, which is in a Mustersan terrestrial horizon in Argentina.

Distribution: found only at Mustersan of Patagonia

Show more details


Specimen images are retrieved through the ePANDDA API.


Click image to enlarge. Click to access iDigBio record.