Full citation
A. H. Howell. 1931. Preliminary descriptions of four new North American ground squirrels. Journal of Mammalogy 12(2):160-162 [ER 1413]
Contributed by John Alroy, entered by John Alroy on 2015-11-10
Samples: none
Size measurements: Ammospermophilus leucurus (total body length 229 mm), Ammospermophilus leucurus (tail length 76 mm), Ammospermophilus leucurus (hind foot length 41 mm), Ammospermophilus leucurus (ear length 9 mm), Ammospermophilus leucurus (total body length 226.6 mm), Ammospermophilus leucurus (tail length 68.8 mm), Ammospermophilus leucurus (hind foot length 39 mm), Ammospermophilus leucurus (ear length 8.7 mm), Ammospermophilus leucurus (skull length 40.8 mm), Ammospermophilus leucurus (skull width 23.4 mm), Ammospermophilus leucurus (upper tooth row length 6.9 mm), Callospermophilus lateralis (total body length 275 mm), Callospermophilus lateralis (tail length 95 mm), Callospermophilus lateralis (hind foot length 42 mm), Callospermophilus lateralis (ear length 14 mm), Callospermophilus lateralis (total body length 266 mm), Callospermophilus lateralis (hind foot length 91.9 mm), Callospermophilus lateralis (tail length 41.2 mm), Callospermophilus lateralis (ear length 14.3 mm), Callospermophilus lateralis (skull length 44.1 mm), Callospermophilus lateralis (skull width 27.1 mm), Callospermophilus lateralis (upper tooth row length 8.8 mm), Callospermophilus lateralis (total body length 282 mm), Callospermophilus lateralis (tail length 110 mm), Callospermophilus lateralis (hind foot length 42 mm), Callospermophilus lateralis (ear length 14.5 mm), Callospermophilus lateralis (total body length 269 mm), Callospermophilus lateralis (tail length 94.1 mm), Callospermophilus lateralis (hind foot length 41.4 mm), Callospermophilus lateralis (ear length 14.5 mm), Callospermophilus lateralis (skull length 43.6 mm), Callospermophilus lateralis (skull width 28 mm), Callospermophilus lateralis (upper tooth row length 7.9 mm), Otospermophilus beecheyi (total body length 410 mm), Otospermophilus beecheyi (tail length 169 mm), Otospermophilus beecheyi (hind foot length 50 mm), Otospermophilus beecheyi (ear length 17 mm), Otospermophilus beecheyi (total body length 406.6 mm), Otospermophilus beecheyi (tail length 161.6 mm), Otospermophilus beecheyi (hind foot length 54.6 mm), Otospermophilus beecheyi (ear length 19.6 mm), Otospermophilus beecheyi (total body length 410 mm), Otospermophilus beecheyi (tail length 163 mm), Otospermophilus beecheyi (hind foot length 52.9 mm), Otospermophilus beecheyi (ear length 19 mm), Otospermophilus beecheyi (skull length 56.3 mm), Otospermophilus beecheyi (skull width 35.3 mm), Otospermophilus beecheyi (upper tooth row length 11.1 mm), Otospermophilus beecheyi (skull length 54.1 mm), Otospermophilus beecheyi (skull width 33.3 mm), Otospermophilus beecheyi (upper tooth row length 11.1 mm)