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Procranioceras

Mammalia - Dromomerycidae

Taxonomy
Cranioceras (Procranioceras) was named by Frick (1937). It is not extant. Its type is Cranioceras (Procranioceras) skinneri.

It was reranked as Procranioceras by Janis and Manning (1998), Prothero and Liter (2007) and Prothero and Liter (2008).

It was assigned to Cranioceras by Frick (1937); to Dromomerycidae by Janis and Manning (1998); and to Cranioceratini by Prothero and Liter (2007) and Prothero and Liter (2008).

Subtaxa
P. skinneri

Synonymy list
YearName and author
1937Cranioceras (Procranioceras) Frick
1998Procranioceras Janis and Manning
2007Procranioceras Prothero and Liter p. 247
2008Procranioceras Prothero and Liter

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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
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—Laurasiatheria
—Scrotifera
—Euungulata
—Artiodactylamorpha
—Artiodactyla()
—Ruminantiamorpha
—Ruminantia(Scopoli 1777)
—Pecora()
superfamilyCervoidea
familyDromomerycidaeFrick 1937
tribeCranioceratiniFrick 1937
genusProcranioceras(Frick 1937)

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. †Procranioceras Frick 1937
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Diagnosis
ReferenceDiagnosis
D. R. Prothero and M. R. Liter 2008Differs from Cranioceras in having a shorter occipi- tal horn, which is transversely flattened and anteriorly curved. Both the occipital and supraorbital horns are much longer than those of Bouromeryx. The premolars are larger than those in Cranioceras, but the anterior fossette on p4 tends to be open. Molars more brachyodont, usually with the Palaeomeryx fold (modified from Janis and Manning, 1998, p. 485).