Fig. 7 in Geographic variation in a South American clade of mormoopid bats, Pteronotus (Phyllodia), with description of a new species

Fig. 7.—Comparison of the cranial morphology between Pteronotus rubiginosus (MHNG 1978.083) and P. alitonus sp. nov. (MHNG 1978.082) from Grotte Mathilde, French Guiana. A) Dorsal and ventral views of the skull of P. rubiginosus (left) and P. alitonus (right); B) frontal view of the skull, contrasting the sizes of the internal (I1) and external (I2) incisors in the 2 species; C) ventral view of 1st half of the palate, highlighting the form outlined by the incisors and the gap between I2 and canines in P. alitonus; D) ventral view of the basicranial region, with arrows indicating the foramina in the pterygoid canal with different sizes in the 2 species. Scale bar in top right of A = 5 mm. MHNG = Musée d'Histoire Naturelle – Genève.