Mammalia - Notoungulata - Isotemnidae
Synonyms: Coelostylops crassus Ameghino 1901, Tychostylops simus Ameghino 1904
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 Pleurostylodon according to G. G. Simpson 1967
See also Ameghino 1901 and Ameghino 1904
Sister taxa: Pleurostylodon bifidus, Pleurostylodon complanatus, Pleurostylodon crassiramis, Pleurostylodon modicus, Pleurostylodon notabilis, Pleurostylodon recticrista
Type specimens:
- Pleurostylodon similis: Its type locality is Casamayoran of Patagonia, which is in a Casamayoran terrestrial horizon in Argentina
- Coelostylops crassus: Its type locality is Río Chico Oeste, which is in a Lutetian/Bartonian terrestrial horizon in Argentina.
- Tychostylops simus: Its type locality is Barranca south of Lago Colhue-Huapi, Gran Barranca, which is in a Bartonian terrestrial claystone in the Sarmiento Formation of Argentina.
Ecology: scansorial herbivore
Distribution:
• Eocene of Argentina (11 collections)
Total: 11 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.