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Desmatochoerus leidyi

Mammalia - Artiodactyla - Merycoidodontidae

Taxonomy
Merycochoerus leidyi was named by Bettany (1876). Its type specimen is WMCV 3299, a partial skull (Partial skull with I1-M3 and partial mandible with i1-p4 (br.)), and it is a 3D body fossil.

It was recombined as Promerycochoerus leidyi by Douglass (1901), Thorpe (1921), Thorpe (1924) and Thorpe (1937); it was recombined as Desmatochoerus leidyi by Schultz and Falkenbach (1954) and Barnosky (1986); it was synonymized subjectively with Merycochoerus superbus by Lander (1998).

Synonymy list
YearName and author
1876Merycochoerus leidyi Bettany
1884Merycochoerus leidyi Cope p. 523
1901Promerycochoerus leidyi Douglass
1921Promerycochoerus leidyi Thorpe p. 228
1924Promerycochoerus leidyi Thorpe
1937Promerycochoerus leidyi Thorpe
1954Desmatochoerus leidyi Schultz and Falkenbach p. 185 figs. 5 - 6
1986Desmatochoerus leidyi Barnosky

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
Sarcopterygii
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda()
Reptiliomorpha
Anthracosauria
Batrachosauria()
Cotylosauria()
Amniota
RankNameAuthor
Synapsida()
Therapsida()
infraorderCynodontia()
Epicynodontia
infraorderEucynodontia
Probainognathia
Mammaliamorpha
Mammaliaformes
classMammalia
orderArtiodactyla()
suborderTylopoda()
superfamilyOreodontoidea
familyMerycoidodontidaeThorpe 1923
subfamilyPromerycochoerinae
genusDesmatochoerus()
speciesleidyi(Bettany 1876)

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.

Diagnosis
ReferenceDiagnosis
C. B. Schultz and C. H. Falkenbach 1954SKULL: Largest and most robust of genus; longer and wider than in holotype of D. curvidens; brain case more inflated than in D. curvidens; nasals moderately robust, with slight anterior retraction; anterior nasal- maxilla contact above diastema between C/ and P 1; infraorbital foramen above anterior portion of P 4 to anterior portion of M 1 ; squamosal more robust than in other examples of the genus; malar deep below orbit; post-glenoid process wide transversely.
MANDIBLE: Largest of genus; postsymphysis below Pa; inferior border of ramus with less downward curve than in examples of D. curvidens.
DENTITION: Series longer than in D. curvidens.
LIMBS:Approximately equal to examples of D. hatcheri geringensis. (Known from fragmentary remains only.)