Merycoidodon (Otarohyus) bullatus Leidy 1869 (oreodont)

Mammalia - Ungulata - Merycoidodontidae

Alternative combinations: Eporeodon bullatus, Merycoidodon bullatus, Oreodon bullatus, Otionohyus (Otarohyus) bullatus, Otionohyus bullatus

Synonyms: Eporeodon cedrensis Matthew 1901, Eporeodon dickinsonensis Douglass 1907, Eporeodon helenae Douglass 1902, Eporeodon socialis Marsh 1884, Eucrotaphus dickinsonensis Douglass 1907, Eucrotaphus galushai Schultz and Falkenbach 1968, Eucrotaphus helenae Douglass 1902, Genetochoerus (Osbornohyus) dickinsonensis Douglass 1907, Genetochoerus (Osbornohyus) geygani Schultz and Falkenbach 1968, Genetochoerus (Osbornohyus) norbeckensis Schultz and Falkenbach 1968, Genetochoerus dickinsonensis Douglass 1907, Merycoidodon (Anomerycoidodon) dani Schultz and Falkenbach 1968, Merycoidodon (Blickohyus) galushai Schultz and Falkenbach 1968, Otionohyus (Otarohyus) cedrensis Matthew 1901, Otionohyus (Otarohyus) hybridus helenae Douglass 1902, Otionohyus cedrensis Hay 1930, Paramerycoidodon (Barbourochoerus) bacai Schultz and Falkenbach 1968, Subdesmatochoerus socialis Marsh 1884

Full reference: J. Leidy. 1869. The extinct mammalian fauna of Dakota and Nebraska, including an account of some allied forms from other localities, together with a synopsis of the mammalian remains of North America. Journal of the Academy of Natural Sciences, Philadelphia 2:1-472

Belongs to Merycoidodon (Otarohyus) according to M. S. Stevens and J. B. Stevens 1996

See also Cope 1884, Douglass 1902, Douglass 1907, Hay 1902, Lander 1998, Leidy 1873, Marsh 1875, Ostrander 1985, Schultz and Falkenbach 1954, Schultz and Falkenbach 1968, Scott 1940, Sinclair 1924, Stevens and Stevens 2007, Tabrum and Nichols 2001, Thorpe 1921, Thorpe 1924 and Thorpe 1937

Sister taxon: Merycoidodon (Otarohyus) major

Type specimens:

  • Merycoidodon (Otarohyus) bullatus: ANSP 10681, a partial skull
  • Eporeodon cedrensis: AMNH 8949, a partial skeleton (Partial skull with I1-dP2-M3 (germ), mandible with i1-dp2-m3(germ), 2 partial scapulae, partial humerus, 2 radii, 2 ulnae, partial manus, partial pelvis, verteb).
  • Eporeodon socialis: YPM 13118 and 13119, a partial skeleton.
  • Eucrotaphus dickinsonensis: CM 1584, a partial skeleton (a nearly complete skull and mandible with the greater portion of the spinal column, and fragments of limb and foot bones.).
  • Eucrotaphus helenae: CM 765, a partial skull.
  • Genetochoerus (Osbornohyus) geygani: F:AM 49734, a partial skeleton (Skull with I1-M3, mandible with i1-m3, partial humerus, partial radius, partial femur, 2 partial tibiae, astragalus, and metapodial fragments.). Its type locality is Slim Buttes Brule C, which is in an Orellan terrestrial horizon in South Dakota.
  • Genetochoerus (Osbornohyus) norbeckensis: F:AM 49733, a partial skeleton (Partial skull with C-M3, partial left ramus with Ii-/C rt. and P1-Ma, femur, and tibia.).
  • Merycoidodon (Anomerycoidodon) dani: F:AM 72132, a skull (Skull with I1(rt.)-M3 and mandible with i1(rt.)-m3).
  • Merycoidodon (Blickohyus) galushai: F:AM 45279, a partial skull (Partial skull with I2-C/ rt. and P1(br.)-M3 and partial mandible with /c-p1 rt. and p2-m3.). Its type locality is Cedar Pass (Barren Clays), which is in a Whitneyan terrestrial horizon in the Brule Formation of South Dakota.
  • Paramerycoidodon (Barbourochoerus) bacai: UNSM 28191, a partial skull (Partial skull with P1{rt.)-M3). Its type locality is UNSM Sx-19 (Orella D), which is in an Orellan terrestrial horizon in the Brule Formation of Nebraska.

Ecology: ground dwelling herbivore

Distribution:

• Arikareean of United States (1: Oregon collection)

• Oligocene of United States (29: Nebraska, North Dakota, South Dakota)

Total: 30 collections each including a single occurrence

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