Eomorphippus obscurus Ameghino 1901 (notoungulate)

Mammalia - Notoungulata - Notohippidae

Synonyms: Eurystomus stehlini Roth 1901, Lonkus rugei Roth 1902, Pleurystomus stehlini Roth 1901, Pseudostylops subquadratus Ameghino 1901

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 Eomorphippus according to G. G. Simpson 1967

See also Ameghino 1901, Ameghino 1902, Bond and López 1993 and López et al. 2010

Sister taxa: Eomorphippus bondi, Eomorphippus neilopdykei

Type specimens:

  • Eomorphippus obscurus: MACN 10917, two left and one upper right molars, a set of teeth. Its type locality is Mustersan of Patagonia, which is in an Eocene terrestrial horizon in Argentina.
  • Eurystomus stehlini: Its type locality is Cañadón Blanco, Chubut, Argentina, which is in an Oligocene terrestrial horizon in Argentina.
  • Lonkus rugei: MLP 12-1515, a mandible (right lower jaw fragment with p2-3 and alveoli or roots of i1-p1). Its type locality is Cañadón Blanco, Chubut, Argentina, which is in an Oligocene terrestrial horizon in Argentina.
  • Pseudostylops subquadratus: Its type locality is Mustersan of Patagonia, which is in an Eocene terrestrial horizon in Argentina.

Ecology: scansorial herbivore

Distribution:

• Oligocene of Argentina (3 collections)

• Eocene to Oligocene of Argentina (1)

• Eocene of Argentina (1)

Total: 5 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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