†Penetrigonias dakotensis Peterson 1920 (rhinoceros)
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Mammalia - Perissodactyla - Rhinocerotidae
Alternative combination: Caenopus dakotensis
Synonym: Penetrigonias hudsoni Tanner and Martin 1976
Full reference: O. A. Peterson. 1920. The American Diceratheres. Memoirs of the Carnegie Museum 7(6):399-476
Belongs to Penetrigonias according to D. R. Prothero 2005
See also Peterson 1920, Prothero 1998, Tanner and Martin 1976 and Wood 1929
Sister taxon: Penetrigonias sagittatus
Type specimens:
- Penetrigonias dakotensis: Amer. Mus. Nat. Hist. No. 1110, a mandible.
- Penetrigonias hudsoni: Its type locality is UNSM Sx-14 (Chadron), which is in a Chadronian terrestrial horizon in Nebraska.
Ecology: ground dwelling browser
Distribution:
• Oligocene of United States (1: South Dakota collection)
• Eocene of United States (8: Colorado, Montana, Nebraska, Texas, Utah, Wyoming)
Total: 9 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
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