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Temporal range:
Late Jurassic - Early Cretaceous 152–105 Ma
Ctenochasma elegans 1.jpg
Cast of a Ctenochasma elegans specimen
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Order: Pterosauria
Suborder: Pterodactyloidea
Clade: Euctenochasmatia
Family: Ctenochasmatidae
Nopsca, 1928
Type species
Ctenochasma roemeri
Meyer, 1852


Ctenochasmatidae is a group of pterosaurs within the suborder Pterodactyloidea.

The earliest known ctenochasmatid remains date to the Late Jurassic Kimmeridgian age. Previously, a fossil jaw recovered from the Middle Jurassic Stonesfield Slate formation in the United Kingdom, was considered the oldest known. This specimen supposedly represented a member of the family Ctenochasmatidae,[1] though further examination suggested it actually belonged to a teleosaurid stem-crocodilian instead of a pterosaur.[2]


Cladogram following Andres, Clark & Xu, 2014.[2]


Kepodactylus insperatus

Elanodactylus prolatus

Feilongus youngi

Moganopterus zhuiana

Huanhepterus quingyangensis

Plataleorhynchus streptophorodon

Gnathosaurus subulatus

Gnathosaurus macrurus



Pterodaustro guinazui

Eosipterus yangi

Beipiaopterus chenianus

Gegepterus changi


  1. ^ Buffetaut, E. and Jeffrey, P. (2012). "A ctenochasmatid pterosaur from the Stonesfield Slate (Bathonian, Middle Jurassic) of Oxfordshire, England." Geological Magazine, (advance online publication) doi:10.1017/S0016756811001154
  2. ^ a b Andres, B.; Clark, J.; Xu, X. (2014). "The Earliest Pterodactyloid and the Origin of the Group". Current Biology. 24: 1011–6. doi:10.1016/j.cub.2014.03.030. PMID 24768054.