PBDB Taxon

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Bathygenys

Mammalia - Merycoidodontidae

Taxonomy

Bathygenys was named by Douglass (1902).

It was assigned to Merycoidodontidae by Douglass (1901), Thorpe (1937), Scott (1940), Ferrusquia-Villafranca (1969), Lander (1998); and to Oreonetinae by Schultz and Falkenbach (1956), McKenna and Bell (1997), Stevens and Stevens (2007).

Species

B. alpha (syn. Megabathygenys goorisi), B. hedlundae (syn. Parabathygenys paralpha), B. reevesi

Synonyms

Megabathygenys was named by Schultz and Falkenbach (1968). Its type is Megabathygenys goorisi.

It was synonymized subjectively with Bathygenys by Lander (1998).

It was assigned to Oreonetinae by McKenna and Bell (1997).
Parabathygenys was named by Schultz and Falkenbach (1968). Its type is Parabathygenys paralpha.

It was synonymized subjectively with Bathygenys by Lander (1998).

It was assigned to Oreonetinae by McKenna and Bell (1997).

Synonymy list

Year	Name and author
1901	Bathygenys Douglass
1902	Bathygenys Douglass p. 256 figs. Pl. 9, Fig. 7 - 8
1937	Bathygenys Thorpe p. 41
1940	Bathygenys Scott p. 711
1956	Bathygenys Schultz and Falkenbach p. 464 fig. 12
1968	Megabathygenys Schultz and Falkenbach
1968	Parabathygenys Schultz and Falkenbach
1969	Bathygenys Ferrusquia-Villafranca
1997	Bathygenys McKenna and Bell p. 408
1997	Megabathygenys McKenna and Bell p. 408
1997	Parabathygenys McKenna and Bell p. 408
1998	Bathygenys Lander
2007	Bathygenys Stevens and Stevens p. 158

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Deuterostomia
phylum	Chordata	Haeckel 1874
subphylum	Vertebrata
superclass	Gnathostomata
—	Osteichthyes	()
subclass	Sarcopterygii	()
subclass	Dipnotetrapodomorpha	(Nelson 2006)
subclass	Tetrapodomorpha	()
—	Tetrapoda
—	Reptiliomorpha
—	Anthracosauria
subclass	Amphibiosauria	Kuhn 1967
—	Cotylosauria	()
—	Amniota
subclass	Synapsida
—	Therapsida	()
infraorder	Cynodontia	()

Rank	Name	Author
—	Mammaliamorpha
—	Mammaliaformes
class	Mammalia
—	Cladotheria
—	Zatheria
subclass	Tribosphenida	()
subclass	Theria
—	Eutheria	()
—	Placentalia
—	Boreoeutheria
—	Laurasiatheria
—	Scrotifera
—	Euungulata
—	Artiodactylamorpha
—	Artiodactyla	()
suborder	Tylopoda	()
family	Merycoidodontidae
subfamily	Oreonetinae
genus	Bathygenys

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

G. †Bathygenys Douglass 1902

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†Bathygenys alpha Douglass 1902

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†Bathygenys alpha hedlundae Schultz and Falkenbach 1968

Invalid names: Megabathygenys goorisi Schultz and Falkenbach 1968 [synonym]

†Bathygenys hedlundae Schultz and Falkenbach 1968

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Invalid names: Parabathygenys paralpha Schultz and Falkenbach 1968 [synonym]

†Bathygenys reevesi Wilson 1971

Invalid names: Megabathygenys Schultz and Falkenbach 1968 [synonym], Parabathygenys Schultz and Falkenbach 1968 [synonym]

Diagnosis

Reference	Diagnosis
C. B. Schultz and C. H. Falkenbach 1956	SKULL: Very small (smallest known oreodont skull); sagittal crest low but prominent; 1rain case well inflated ; frontals moderately 1road; supraorbital foramen with anterior groove near midline of skull; malar shallow below orbit. MANDIBLE: Moderately light; ramus moderately deep ; increasing rapidly in depth posteriorly; ascending ramus wide anteroposteriorly. DENTITION: Brachyodont; premolars not crowded; external styles of superior molars prominent. LIMBS: Small and light (smallest and lightest of any oreodonts so far reported).