Upper Jurassic Period
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Cycnorhamphus suevicus

Cycnorhamphus (swan beak) suevicus
A distinctive and primitive pterodactyloid pterosaur with cervical ribs and an un-fused basipterygoid, with a possible plantigrade gait.  This species possibly the most primitive of the pterodactyls and other early species may also be attributed as juveniles of this type.

Holotype: IMGP Tübingen -

Quenstedt, F. A. 1855, Über Pterodactylus suevicus im lithographischen Schiefer Württembergs. Doctoral thesis, Universität Tübingen.

Fabre, J. A. 1981, Les rhynchocéphales et les ptérosauriens à crête pariétale du Kiméridgien supérieur-Berriasien d’Europe occidentale. Le gisement de Canjuers (Var - France) et ses abords. Paris: Fondation Singer-Polignac. 188 pp., 81 fig., 15 pl.

Pseudonyms
Pterodactylus suevicus (Quenstedt 1855)
Pterodactylus wuerttembergensis (Quenstedt 1854)
Ornithocephalus eurycheirus (Wagner 1857)
Pterodactylus eurycheirus (Newton 1888)
Gallodactylus suevicus (Fabre 1974)
Pterodactylus wuerttembergicus (Fabre 1981)
Pterodactylus eurycheirus (Olshevsky 1978)