PTEEODACTYLID^:. 5 



Pterodactylus antiquus (Sommerring ! ). 



Syn. Ornithocephalus antiquus, Sommerring 2 . 

 I^terodactylus longirostris, Cuvier 3 . 

 Ornithoceplialus longirostris, Wagler 4 . 

 Macrotrachelus longirostris, Giebel 5 . 



This is the type species, and is of medium size ; the length of 

 the cranium in the type specimen is 0,107, and that of the entire 

 skeleton about 0,300. Typically the neck and rostrum are much 

 elongated, and the teeth do not extend backwards to the narial 

 aperture : but there are said to be transitions in this respect towards 

 the next form 6 . The preorbital vacuity is partially separated from 

 the narial aperture. 



Hob. Europe (Grermany). 



Fig. 2. 



Pterodactylus antiquus. — Skeleton ; from the Kimeridgian of Bavaria. About 

 i. a, humerus : b : radius and ulna ; c, carpus ; d, metacarpus ; r, clawed 

 digits ; /, g, h, i, phalangeals of ulnar digit ; k, rib ; /, femur ; s, tibia ; 

 t, tarsus ; m, metatarsals ; t, phalangeals of pes. 



1 Denkschr. k. Ak. Mimchen, vol. iii. p. 126 (1812). — Ornithocephalus. 



2 Loc. cit. 



3 Ossemens Fossiles, 2nd ed. vol. v. pt. 2, p. 359 (1824). 

 * Syst. Amphib. p. 61 (1830). 



5 Allgemeine Palaontologie, p. 231 (1852;. 



6 Vide Zittel, ' Paheontographica,' vol. xxix. p. 71 (1882). 



