P. Hershkovitz. 1948. Mammals of northern Colombia. Preliminary report no. 2: spiny rats (Echimyidae), with supplemental notes on related forms. Proceedings of the United States National Museum 97(3214):125-140 [ER 1571]

Contributed by John Alroy, entered by John Alroy on 2015-12-05

Samples: none

Size measurements: Pattonomys semivillosus (head and body length 207 mm), Pattonomys semivillosus (head and body length 227 mm), Pattonomys semivillosus (head and body length 220 mm), Pattonomys semivillosus (tail length 218 mm), Pattonomys semivillosus (tail length 222 mm), Pattonomys semivillosus (hind foot length 38 mm), Pattonomys semivillosus (hind foot length 39 mm), Pattonomys semivillosus (hind foot length 37 mm), Pattonomys semivillosus (ear length 19 mm), Pattonomys semivillosus (ear length 18 mm), Pattonomys semivillosus (ear length 17 mm), Pattonomys semivillosus (condylobasal length 46.6 mm), Pattonomys semivillosus (condylobasal length 48.9 mm), Pattonomys semivillosus (skull width 24.2 mm), Pattonomys semivillosus (skull width 25.6 mm), Pattonomys semivillosus (upper tooth row length 12.0 mm), Pattonomys semivillosus (upper tooth row length 12.1 mm), Pattonomys semivillosus (upper tooth row length 11.6 mm), Proechimys magdalenae (head and body length 243 mm), Proechimys magdalenae (tail length 173 mm), Proechimys magdalenae (hind foot length 50.6 mm), Proechimys magdalenae (ear length 25 mm), Proechimys magdalenae (skull length 57.3 mm), Proechimys magdalenae (skull width 26.3 mm), Proechimys magdalenae (upper tooth row length 8.3 mm), Proechimys quadruplicatus (head and body length 228 mm), Proechimys quadruplicatus (tail length 158 mm), Proechimys quadruplicatus (hind foot length 48 mm), Proechimys quadruplicatus (ear length 24 mm), Proechimys quadruplicatus (skull length 54.4 mm), Proechimys quadruplicatus (skull length 60.0 mm), Proechimys quadruplicatus (skull width 26.5 mm), Proechimys quadruplicatus (skull width 27.2 mm), Proechimys quadruplicatus (skull width 27.6 mm), Proechimys quadruplicatus (skull width 28.5 mm), Proechimys quadruplicatus (upper tooth row length 9.2 mm)