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Protospermophilus vortmani

Mammalia - Rodentia - Sciuridae

Taxonomy
Sciurus vortmani was named by Cope (1879) [also spelt "wortmani"]. Its type specimen is AMNH 6960, a mandible (a left mandibular ramus bearing p4 and m3, the anterior tip and the vertical ramus posterior to the bases of the processes absent), and it is a 3D body fossil.

It was recombined as Prosciurus vortmani by Matthew (1910); it was recombined as Protospermophilus vortmani by Black (1963).

Synonymy list
YearName and author
1879Sciurus vortmani Cope p. 1
1910Prosciurus vortmani Matthew
1945Sciurus vortmani Bryant p. 343
1963Protospermophilus vortmani Black

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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
—EuarchontogliresMurphy et al. 2001
—GliriformesWyss and Meng 1996
—Glires()
—Simplicidentata()
orderRodentiaBowdich 1821
superfamilySciuroidea
familySciuridae
genusProtospermophilusGazin 1930
speciesvortmani()

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.

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Diagnosis
ReferenceDiagnosis
M. D. Bryant 1945Mandibular ramus about the size of that of Sciurus iecuyensis, deep in
comparison with length; dorsal and ventral masseteric crests prominent; masseteric fossa deep, rounded anteriorly, terminates below the posterior part of m1.