51 



Phyllonycteris (fig . 33 ) 



P. poeyi: Skiill me^re elongate and flat; rostmm moderately elongate; continuous transition 

 to the cranium in lateral view. Zygomatic arches lacking in tlie specimens examined. 

 Palatinal area slightly lowered against skull base (in German hterature: klinorhynch). 

 Premaxiharia shifted anteriorly. Foramina palatina minora lymg in front of the canine 

 alveoH. 



Fig. 33: Phyllonycteris poeyi, skull a: lateral view, b: dorsal view, c: basal view 



Teeth: dental formula - 2 3 1 - - 3 4 5 6 7 



1 2 - 1 - - 3 4 5 6 7 



Upper incisivi separated from canine tooth by broad diastema; itmer ones larger than outer 

 ones, orientated posteriorly, jointly forming an almost straight edge (teeth somewhat 

 horsehke). Canini strong and broad; first upper premolar small, the second one at least 

 double the size with lingual cusp. Upper molars flat with broad crowns lacking a 

 dilambdodont ectoloph. 



Glossophaga (fig. 3 4) 



Skull: braincase longer than rostrum (only hi G. longirostris almost of the same length). 

 Zygomatic arches developed quite well and preserved in most specimens. SkuU base 

 vaulted to different extent within the species. G. commissarisi is separated from G. 

 soricina by contours of the presphenoid. Mandibula with flat coronoid and distinct 

 mentum. 



Teeth: dental formula - 2 3 1 - - 3 4 5 6 7 



12-1-234567 



Upper incisivi uniform, sometimes slightly projecting forward, forming an almost 

 complete curve between the canmi (gaps between the outer incisivi and the canine teeth 

 narrower than width of the outer incisivus), the inner incisivus is broader than high with 

 straight edge; the outer one is shorter, but thus with its edge in one level with the inner 

 one. Lower incisivi well developed, completely fihmg the space between the canini, with 

 flat crowns (width = height) and rounded to roundly rectangular profile. Strong canine 

 teeth with weak cingulum, the upper ones with distinct anterior and posterior edge. Upper 



