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Pterodactylus antiquus

Reptilia -

Taxonomy
Ornithocephalus antiquus was named by Soemmerring (1812). Its type specimen is TM 10341, a skeleton, and it is a compression fossil. Its type locality is Eichstätt [Solnhofener Plattenkalk], which is in a Tithonian lagoonal/restricted shallow subtidal lime mudstone in the Solnhofener Plattenkalk Formation of Germany.

It was synonymized subjectively with Pterodactylus grandis by Holl (1829); it was recombined as Pterodactylus antiquus by Cuvier (1819), Kemp (1999), Unwin (2003), Bennett (2013), Andres et al. (2014) and Headden and Campos (2014).

Synonymy list
YearName and author
1812Ornithocephalus antiquus Soemmerring
1819Pterodactylus antiquus Cuvier
1999Pterodactylus antiquus Kemp
2003Pterodactylus antiquus Unwin p. 145
2013Pterodactylus antiquus Bennett
2014Pterodactylus antiquus Andres et al.
2014Pterodactylus antiquus Headden and Campos

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
Sarcopterygii
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda()
Reptiliomorpha
Anthracosauria
Batrachosauria()
Cotylosauria()
Amniota
Sauropsida
classReptilia
subclassEureptilia()
RankNameAuthor
Romeriida
Diapsida()
Eosuchia()
Neodiapsida
SauriaGauthier 1984
Archosauromorpha(Huene 1946)
Crocopoda
ArchosauriformesGauthier 1986
Eucrocopoda
Archosauria()
informalAvemetatarsalia
Ornithodira
PterosauromorphaPadian 1997
Pterosauria(Kaup 1834)
Macronychoptera
NovialoideaKellner 2003
Lonchognatha
Monofenestrata
genusPterodactylusCuvier 1809
speciesantiquus()

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Diagnosis
ReferenceDiagnosis
S. C. Bennett 2013Upper Jurassic pterodactyloid with elongate skull, a slender and elongated rostrum, and the superior margin of the skull straight to only slightly concave upward; naso-antorbital fenestra length ~20–25% of skull length in large individuals; tooth number proportional to skull length with up to ~25 teeth per jaw side in large individuals; teeth flat conical, large anteriorly and tooth size decreasing in size posteriorly; tooth row length ~75 % of jaw length, and upper tooth row extending posterior to the anterior margin of the naso-antorbital fenestra; a low sagittal bony crest over the naso-antorbital fenestra and orbit in large individuals, which apparently lacks the striations seen in Ctenochasma, Germanodactylus, and Gnathosaurus; a soft tissue crest extending upward from the bony crest in large individuals; and an occipital lappet of soft tissues extending posteriorly from the occipital region. Cervical vertebrae 3–7 elongate and neck relatively longer that in Cycnorhamphus, Ctenochasma, and Aurorazhdarcho (shared with "P." longicollum; see below). In small specimens WP2 is 93–96% of WP1 length, in large specimens ~91%, and WP1-4 lengths typically exhibit a convex upward curve in modified Nopcsa curves (Fig. 9; shared with Germanodactylus). In the pes, MtII is greater than or equal to MtI in length and the proximal phalanges of digit I–III show progressive reduction in length whereas those of digits I and IV are subequal (shared with Germanodactylus).