Mammalia - Rodentia - Cricetidae
Synonyms: Sigmodon hilli Hibbard 1941, Sigmodon intermedius Hibbard 1937, Sigmodon medius Gidley 1922
Full reference: J. W. Gidley. 1922. Preliminary report on fossil vertebrates of the San Pedro Valley, Arizona, with descriptions of new species of Rodentia and Lagomorpha. Shorter contributions to general geology, 1922 131:119-131
Belongs to Sigmodon according to J. W. Gidley 1922
See also Albright 1999, Cassiliano 1999, Czaplewski 1990, Galusha et al. 1984, Harrison 1978, Hibbard 1941, Kurten and Anderson 1980, Martin 1974, Martin et al. 2002, Martin and Prince 1989, Mezzabotta 1997, Morgan and White 1995 and Tomida 1987
Sister taxa: Sigmodon alstoni, Sigmodon bakeri, Sigmodon chonensis, Sigmodon curtisi, Sigmodon hispidus, Sigmodon hudspethensis, Sigmodon libitinus, Sigmodon lindsayi, Sigmodon ochrognathus
Type specimens:
- Sigmodon minor: USNM 10512, a mandible (Portion of a left lower jaw containing complete dentition )
- Sigmodon hilli: Its type locality is Borchers, which is in a Gelasian terrestrial siltstone in the Crooked Creek Formation of Kansas.
- Sigmodon intermedius: Its type locality is Rexroad KU Locality 2, which is in a Blancan terrestrial horizon in the Rexroad Formation of Kansas.
- Sigmodon medius: USNM 10519, a partial skull (Portion of a right lq.wer jaw con- taining the complete dentition and an asso- ciated fragment of a right maxillary carrying the anterior two cheek teeth, possi).
Ecology: ground dwelling herbivore
Distribution:
• Quaternary of United States (17: Arizona, California, Florida, Kansas collections)
• Blancan of United States (61: Arizona, California, Colorado, Florida, Kansas, Nebraska, Texas)
Total: 78 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.