Mammalia - Notoungulata - Isotemnidae
Synonyms: Anchistrum sulcosum Ameghino 1901, Dialophus simus Ameghino 1901, Dimerostephanos attritus Ameghino 1902, Parastylops coelodus Ameghino 1897, Paratemnus geminatus Ameghino 1904, Pleurostylodon biconus Ameghino 1897, Pleurostylodon divisus Ameghino 1901, Pleurostylodon limpidus Ameghino 1904, Pleurostylodon obscurus Ameghino 1904, Pleurostylodon plexus Ameghino 1901, Pleurostylodon sinuosus Ameghino 1902, Trimerostephanos biconus Ameghino 1897, Tychostylops marculus Ameghino 1901
Full reference: F. Ameghino. 1897. Mammiféres crétacés de l’Argentine (Deuxième contribution à la connaissance de la fauna mammalogique de couches à Pyrotherium) [Cretaceous mammals of Argentina (second contribution to the knowledge of the mammalian fauna of the Pyrotherium Beds)]. Boletin Instituto Geografico Argentino 18(4–9):406-521
Belongs to Pleurostylodon according to G. G. Simpson 1967
See also Ameghino 1897, Ameghino 1901, Ameghino 1902 and Ameghino 1904
Sister taxa: Pleurostylodon bifidus, Pleurostylodon complanatus, Pleurostylodon crassiramis, Pleurostylodon notabilis, Pleurostylodon recticrista, Pleurostylodon similis
Type specimens:
- Pleurostylodon modicus: Its type locality is Casamayoran of Patagonia, which is in a Casamayoran terrestrial horizon in Argentina
- Anchistrum sulcosum: 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.
- Dialophus simus: Its type locality is Pico Salamanca (Barrancan), which is in a Bartonian terrestrial horizon in Argentina.
- Dimerostephanos attritus: 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.
- Parastylops coelodus: Its type locality is Casamayoran of Patagonia, which is in a Casamayoran terrestrial horizon in Argentina.
- Paratemnus geminatus: 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.
- Pleurostylodon divisus: 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.
- Pleurostylodon limpidus: Its type locality is Casamayoran of Patagonia, which is in a Casamayoran terrestrial horizon in Argentina.
- Pleurostylodon obscurus: Its type locality is Río Chico, which is in a Casamayoran terrestrial horizon in Argentina.
- Pleurostylodon plexus: Its type locality is Casamayoran of Patagonia, which is in a Casamayoran terrestrial horizon in Argentina.
- Pleurostylodon sinuosus: Its type locality is Casamayoran of Patagonia, which is in a Casamayoran terrestrial horizon in Argentina.
- Trimerostephanos biconus: 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.
- Tychostylops marculus: 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 (13 collections)
Total: 13 collections including 24 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.