Merychyus calaminthus Jahns 1940 (oreodont)

Mammalia - Artiodactyla - Merycoidodontidae

Synonyms: Merychyus crabilli Schultz and Falkenbach 1947, Merychyus crabilli ziaensis Schultz and Falkenbach 1968, Merychyus jahnsi Whistler 1967

Full reference: R. H. Jahns. 1940. Stratigraphy of the Easternmost Ventura Basin, California, with a Description of a New Lower Miocene Mammalian Fauna From the Tick Canyon Formation. Carnegie Institution of Washington Publication 514(9):145-194

Belongs to Merychyus according to M. S. Stevens et al. 2023

See also Dingus 1990, Jahns 1940, Kelly and Lander 1988, Lander 1998, Lander and Lindsay 2011, Miller 1980, Morgan et al. 2009, Schultz and Falkenbach 1947, Schultz and Falkenbach 1968, Stevens 1977, Stevens and Stevens 2007, Whistler 1967 and Woodburne et al. 1974

Sister taxa: Merychyus (Metoreodon), Merychyus arenarum, Merychyus elegans, Merychyus minimus, Merychyus relictus, Merychyus verrucomalus

Type specimens:

  • Merychyus calaminthus: CIT 1383, a partial skull (Partial skull with P3-M3). Its type locality is Tick Canyon (CIT 201), which is in an Arikareean fluvial siltstone/sandstone in the Tick Canyon Formation of California.
  • Merychyus crabilli: F:AM 45384A, a skull (Skull with I1-I3 alv. and C/-M3 and left ramus with i3(alv.)-M3 (C/ and p1 moderately small, premolars large)).
  • Merychyus crabilli ziaensis: F:AM 72329, a partial skeleton.
  • Merychyus jahnsi: LACM 1382, a partial skull (Part of a skull with M1-M3). Its type locality is Tick Canyon (CIT 201), which is in an Arikareean fluvial siltstone/sandstone in the Tick Canyon Formation of California.

Ecology: ground dwelling herbivore

Distribution:

• Miocene of United States (3: California, New Mexico collections)

• Harrisonian of United States (7: Nebraska, Texas, Wyoming)

• Arikareean of United States (7: Arizona, California, Oregon, Texas)

Total: 17 collections including 18 occurrences

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Specimen images are retrieved through the ePANDDA API.


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