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Eporeodontinae

Mammalia - Merycoidodontidae

Synonymy list
YearName and author
1968Eporeodontinae Schultz and Falkenbach p. 193
1996Eporeodontinae Stevens and Stevens p. 510
2007Eporeodontinae Stevens and Stevens p. 163
2023Eporeodontinae Stevens et al. p. 15

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda
Reptiliomorpha
Anthracosauria
subclassAmphibiosauriaKuhn 1967
Cotylosauria()
Amniota
subclassSynapsida
Therapsida()
infraorderCynodontia()
Mammaliamorpha
RankNameAuthor
Mammaliaformes
classMammalia
Theriamorpha(Rowe 1993)
Theriiformes()
Trechnotheria
Cladotheria
Zatheria
subclassTribosphenida()
subclassTheria
Eutheria()
Placentalia
Boreoeutheria
Laurasiatheria
Scrotifera
Euungulata
Artiodactylamorpha
Artiodactyla()
familyMerycoidodontidae
subfamilyEporeodontinae
subfamilyEporeodontinae

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.

Subfm. †Eporeodontinae Schultz and Falkenbach 1968
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G. †Eporeodon Marsh 1875
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Subg. †Eporeodon (Paraeporeodon) Schultz and Falkenbach 1968
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Eporeodon occidentalis Marsh 1873
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Invalid names: Dayohyus wortmani Schultz and Falkenbach 1968 [synonym], Eporeodon condoni Thorpe 1921 [synonym], Eporeodon davisi Schultz and Falkenbach 1968 [synonym], Eporeodon leptacanthus Cope 1884 [synonym], Eporeodon longifrons Cope 1884 [synonym], Eporeodon thurstoni Stock 1934 [synonym], Eucrotaphus trigonocephalus Cope 1884 [synonym]
Eporeodon pacificus Cope 1884
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Invalid names: Eporeodon perbullatus Thorpe 1921 [synonym], Eucrotaphus jacksoni leptacanthus Cope 1884 [synonym], Eucrotaphus major longifrons Cope 1884 [synonym], Hypsiops johndayensis Schultz and Falkenbach 1950 [synonym], Pseudogenetochoerus covensis Schultz and Falkenbach 1968 [synonym]
Invalid names: Dayohyus Schultz and Falkenbach 1968 [synonym], Eporeodon leptacanthus leptacanthus Cope 1884 [synonym]
G. †Merycoides Douglass 1907
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Merycoides cursor Douglass 1907
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Invalid names: Merycoides nebraskensis Schultz and Falkenbach 1949 [synonym], Merycoides nebraskensis blairi Schultz and Falkenbach 1949 [synonym]
Merycoides longiceps Douglass 1907
Merycoides stouti Schultz and Falkenbach 1950
Diagnosis
ReferenceDiagnosis
M. S. Stevens et al. 2023Small to medium-sized oreodonts with inflatedauditory bullae, wide frontals, slight nasal retraction, robustmalar, infraorbital foramen above P3 to above anterior P4, facialvacuity (lacrimal fossa) ranging from small and shallow to wideand deep, heavy paroccipital processes without the excavationseen in the Merycoidondontinae, postglenoid process peg-shapedto compressed anteroposteriorly, and a mesodont dentition.