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Merycoidodon

Taxonomy

Merycoidodon was named by Leidy (1848). It is not extant. Its type is Merycoidodon culbertsoni.

It was considered a nomen nudum by Cope (1884); it was considered a nomen dubium by Sinclair (1924); it was considered a nomen vanum by Lander (1998).

It was assigned to Merycoidodontidae by Leidy (1848), Thorpe (1937), Scott (1940), Galbreath (1953), Toohey (1959) and Stevens and Stevens (1996).

Species

Blickohyus auritus, M. bullatus (syn. Eporeodon cedrensis, Eporeodon socialis, Eucrotaphus dickinsonensis, Eucrotaphus helenae, Genetochoerus geygani, Genetochoerus norbeckensis, M. dani, M. galushai, Paramerycoidodon bacai), M. culbertsoni (syn. M. lewisi, M. periculorum, Oreodon macrorhinus, Oreodon priscum, Oreodon robustum, Otionohyus vanderpooli, Otionohyus wardi, Paramerycoidodon georgei, Prodesmatochoerus meekae) (type species), M. dunagani, M. major (syn. Genetochoerus chamberlaini, M. lambi, M. lynchi, Oreodon hybridus, Otionohyus alexi, Paramerycoidodon wanlessi, Promesoreodon scanloni, Pseudodesmatochoerus milleri, Subdesmatochoerus shannonensis), M. presidioensis

Sister genera

Aclistomycter, Bathygenys (syn. Megabathygenys, Parabathygenys), Brachycrus (syn. Pronomotherium), Desmatochoerus, Eporeodon (syn. Hypselochoerus, Pseudodesmatochoerus), Hypsiops (syn. Pseudomesoreodon, Submerycochoerus), Leptauchenia (syn. Brachymeryx, Cyclopidius, Hadroleptauchenia, Pithecistes, Pseudocyclopidius), Limnenetes, Mediochoerus, Merycochoerus (syn. Megoreodon, Paracotylops, Promerycochoerus, Superdesmatochoerus), Merycoides (syn. Paramerychyus), Mesoreodon, Miniochoerus (syn. Parastenopsochoerus, Platyochoerus, Stenopsochoerus), Oreodontoides, Oreonetes, Paroreodon (syn. Epigenetochoerus), Phenacocoelus, Sespia (syn. Megasespia), Ticholeptus (syn. Poatrephes)

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Synonyms

Prodesmatochoerus was named by Schultz and Falkenbach (1954). Its type is Prodesmatochoerus meekae.

It was synonymized subjectively with Merycoidodon by Stevens and Stevens (1996).

It was assigned to Merycoidodontidae by Schultz and Falkenbach (1954) and Lander (1998).
Blickohyus was named by Schultz and Falkenbach (1968) [named as subgenus of Paramerycoidodon by Schultz and Falkenbach 1968; raised to genus level; Lander's opinion ignores Stevens and Stevens 1996].

It was synonymized subjectively with Merycoidodon by Stevens and Stevens (1996).
Genetochoerus was named by Schultz and Falkenbach (1968).

It was synonymized subjectively with Merycoidodon by Stevens and Stevens (1996); it was synonymized subjectively with Prodesmatochoerus by Lander (1998).
Oreodon was named by Leidy (1851). Its type is Oreodon priscum.

It was synonymized subjectively with Merycoidodon by Hay (1902), Thorpe (1921), Thorpe (1937), Scott (1940), Toohey (1959) and Stevens and Stevens (1996); it was considered a nomen vanum by Lander (1998).
Otionohyus was named by Schultz and Falkenbach (1968). Its type is Otionohyus wardi.

It was synonymized subjectively with Merycoidodon by Stevens and Stevens (1996); it was synonymized subjectively with Prodesmatochoerus by Lander (1998).
Paramerycoidodon was named by Schultz and Falkenbach (1968). Its type is Paramerycoidodon georgei.

It was synonymized subjectively with Merycoidodon by Stevens and Stevens (1996); it was synonymized subjectively with Prodesmatochoerus by Lander (1998).
Promesoreodon was named by Schultz and Falkenbach (1949). Its type is Promesoreodon scanloni.

It was synonymized subjectively with Merycoidodon by Stevens and Stevens (1996); it was synonymized subjectively with Eporeodon by Lander (1998).
Subdesmatochoerus was named by Schultz and Falkenbach (1954).

It was synonymized subjectively with Merycoidodon by Stevens and Stevens (1996); it was synonymized subjectively with Eucrotaphus by Lander (1998).

Synonymy list

Year	Name and author
1848	Merycoidodon Leidy
1851	Oreodon Leidy
1917	Oreodon Barbour and Cook
1924	Oreodon Sinclair
1937	Merycoidodon Thorpe
1940	Merycoidodon Scott
1949	Promesoreodon Schultz and Falkenbach
1953	Merycoidodon Galbreath
1954	Prodesmatochoerus Schultz and Falkenbach
1954	Subdesmatochoerus Schultz and Falkenbach
1959	Merycoidodon Toohey
1968	Blickohyus Schultz and Falkenbach
1968	Genetochoerus Schultz and Falkenbach
1968	Otionohyus Schultz and Falkenbach
1968	Paramerycoidodon Schultz and Falkenbach
1996	Merycoidodon Stevens and Stevens
1998	Blickohyus Lander
1998	Prodesmatochoerus Lander

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