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Calomys (Bensonomys) meadensis

Mammalia - Rodentia - Cricetidae

Taxonomy
Bensonomys meadensis was named by Hibbard (1956). It is not extant. Its type specimen is UMMP 31981, a mandible (mandible dext with m1-m3). Its type locality is Sanders (UM-K2-53), which is in a Blancan terrestrial horizon in the Ballard Formation of Kansas.

It was recombined as Calomys (Bensonomys) meadensis by Baskin (1978); it was recombined as Calomys meadensis by Baskin (1986), Czaplewski (1987) and Korth (1994).

Sister species lacking formal opinion data

View classification of included taxa

Synonymy list
YearName and author
1956Bensonomys meadensis Hibbard p. 186
1978Calomys (Bensonomys) meadensis Baskin p. 126
1980Bensonomys meadensis Kurten and Anderson p. 249
1986Calomys meadensis Baskin
1987Calomys meadensis Czaplewski
1994Calomys meadensis Korth
2002Bensonomys meadensis Martin et al.

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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
Synapsida()
Therapsida()
infraorderCynodontia()
RankNameAuthor
Epicynodontia
infraorderEucynodontia
Probainognathia
Mammaliamorpha
Mammaliaformes
classMammalia
subclassTribosphenida()
infraclassEutheria()
Placentalia
EuarchontogliresMurphy et al. 2001
Glires()
orderRodentia
infraorderMyodontaSchaub 1958
superfamilyMuroideaIlliger 1811
familyCricetidaeFischer von Waldheim 1817
subfamilySigmodontinaeWagner 1843
genusCalomys
subgenusBensonomys
speciesmeadensis()

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. W. Hibbard 1956A mouse smaller than Bensonomys eliasi and distinguished
from B. arizonae by the position of the masseteric crest. The
anterior end of the masseteric crest in B. meadensis is more dorsal and more posterior from the men tal foramen.