Fig. 7 in A New Montane Species of Spiny Pocket Mouse (Rodentia: Heteromyidae: Heteromys) from Northwestern Costa Rica

Fig. 7. Comparisons of female specimens of Heteromys desmarestianus (left column), H. nubicolens (middle column), and H. oresterus (right column); dorsal views of the crania are provided for specimens in age class 5 (top row), age class 4 (middle row), and age class 2 (bottom row). Museum catalog numbers follow: age class 5, KU 158510, KU 142791, and MVZ 164860 (note, zygomatic arches are missing due to breakage); age class 4, KU 158505, KU 159025 (holotype of H. nubicolens), and MVZ 164861; age class 2, MNCR 793, MNCR 797, and MVZ 164862. See appendices 1 and 2 for full provenience.