Mammalia - Multituberculata - Cimolomyidae

Alternative combination: Dipriodon robustus

Synonyms: Dipriodon lunatus Marsh 1889, Halodon sculptus Marsh 1889, Meniscoessus borealis Simpson 1927, Meniscoessus coelatus Marsh 1889, Meniscoessus fragilis Marsh 1889, Meniscoessus greeni Wilson 1987, Meniscoessus lunatus Marsh 1889, Meniscoessus sculptus Marsh 1889, Oracodon anceps Marsh 1889, Oracodon conulus Marsh 1892, Selenacodon fragilis Marsh 1889, Tripriodon coelatus Marsh 1889

Full reference: O. C. Marsh. 1889. Discovery of Cretaceous Mammalia. American Journal of Science and Arts, series 3 38:81-92

Belongs to Meniscoessus according to J. D. Archibald 1982

See also Clemens 1964, Clemens and Kielan-Jaworowska 1979, Donohue et al. 2013, Eberle and Lillegraven 1998, Fox 1980, Hay 1902, Hay 1930, Hunter 1997, Kielan-Jaworowska et al. 2004, Lillegraven 1987, Lofgren 1995, Marsh 1889, Marsh 1889, Marsh 1892, Marsh 1897, Osborn 1893, Simpson 1927, Simpson 1929, Simpson 1936, Storer 1991, Wilson 1987, Wilson et al. 2010 and Wood and Ormsbee 1954

Sister taxa: Meniscoessus collomensis, Meniscoessus conquistus, Meniscoessus ferox, Meniscoessus intermedius, Meniscoessus major, Meniscoessus seminoensis

Type specimens:

• Meniscoessus robustus: YPM 11234, a tooth (right M2). Its type locality is Mammal Quarry No. 2 (UCMP V-5815), which is in a Lancian terrestrial sandstone in the Lance Formation of Wyoming.
• Dipriodon lunatus: YPM 11825, a tooth (M1). Its type locality is Mammal Quarry No. 1 (UCMP V-5003), which is in a Lancian terrestrial horizon in the Lance Formation of Wyoming.
• Halodon sculptus: YPM 11810, a tooth (P4). Its type locality is Mammal Quarry No. 1 (UCMP V-5003), which is in a Lancian terrestrial horizon in the Lance Formation of Wyoming.
• Meniscoessus borealis: AMNH 14411, a tooth (isolated second left upper molar). Its type locality is Crooked Creek, which is in a Maastrichtian terrestrial horizon in the Hell Creek Formation of Montana.
• Meniscoessus greeni:
• Oracodon anceps: YPM 11862, a tooth (last upper premolar).
• Oracodon conulus: USNM 2141, a tooth (last upper premolar).
• Selenacodon fragilis: YPM 11897, a tooth (partial M1). Its type locality is Mammal Quarry No. 1 (UCMP V-5003), which is in a Lancian terrestrial horizon in the Lance Formation of Wyoming.
• Tripriodon coelatus: YPM 11853, a tooth (M2). Its type locality is Mammal Quarry No. 1 (UCMP V-5003), which is in a Lancian terrestrial horizon in the Lance Formation of Wyoming.

Distribution:

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Specimen images are retrieved through the ePANDDA API.