Mammalia - Artiodactyla - Merycoidodontidae
Alternative combinations: Cyclopidius lullianus, Pseudocyclopidius lullianus
Synonyms: Cyclopidius quadratus Koerner 1940, Pseudocyclopidius lullianus expiratus Schultz and Falkenbach 1968, Pseudocyclopidius quadratus Koerner 1940
Belongs to Leptauchenia according to D. R. Prothero and F. Sanchez 2008
See also CoBabe 1996, Koerner 1940, Lander 1998, Schultz and Falkenbach 1968, Stevens and Stevens 2007 and Thorpe 1937
Sister taxa: Leptauchenia (Sespia), Leptauchenia decora, Leptauchenia major, Cyclopidius californicus, Cyclopidius (Chelonocephalus)
Type specimens:
- Leptauchenia lullianus: Its type locality is Big Muddy Creek, which is in an Arikareean terrestrial horizon in Wyoming
- Cyclopidius quadratus: YPM 13960, a partial skull. Its type locality is West of White Sulphur Springs, which is in a Geringian terrestrial horizon in the Deep River Formation of Montana.
- Pseudocyclopidius lullianus expiratus: F:AM 45598, a partial skull.
Ecology: ground dwelling herbivore
Distribution:
• Arikareean of United States (8: Nebraska, Wyoming collections)
• Oligocene of United States (4: Montana, Nebraska, South Dakota, Wyoming)
Total: 12 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.