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Kepodactylus

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(Redirected from Kepodactylus insperatus) Genus of ctenochasmatid pterosaur from the Late Jurassic

Kepodactylus
Temporal range: Late Jurassic, Kimmeridgian–Tithonian PreꞒ O S D C P T J K Pg N
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Order: Pterosauria
Suborder: Pterodactyloidea
Family: Ctenochasmatidae
Genus: Kepodactylus
Harris & Carpenter, 1996
Species: K. insperatus
Binomial name
Kepodactylus insperatus
Harris & Carpenter, 1996

Kepodactylus is an extinct genus of ctenochasmatid pterodactyloid pterosaur from the Kimmeridgian-Tithonian-age Upper Jurassic Morrison Formation of Colorado, United States.

In 1992, a team from the Denver Museum of Natural History dug up a specimen of the dinosaur Stegosaurus stenops in Garden Park, Colorado. In the quarry they also found smaller disarticulated bones from other animals, among which were those of a pterosaur new to science.

In 1996, Jerald Harris and Kenneth Carpenter named the new genus. The type species is Kepodactylus insperatus. The genus name is derived from Greek, kepos, "garden", a reference to Garden Park and daktylos, "finger", referring to the typical wing finger of pterosaurs. The specific name means "unhoped-for" in Latin, alluding to the fact that the researchers hoped to find a dinosaur, and did not expect a pterosaur.

The genus is based on the holotype DMNH 21684, consisting of a cervical vertebra, humerus, several finger bones, and a metatarsal. Kepodactylus was similar to Mesadactylus but larger (wingspan around 2.5 m ), and with additional pneumatic foramina (holes to allow air from air sacks to enter the bones) in the vertebrae and humerus. The describers concluded that the species was a member of the Pterodactyloidea and within this group, using the phylogeny of David Unwin, a member of a clade that is now known as Lophocratia. It was regarded as a potentially valid genus in the most recent review of Morrison pterosaurs.

Classification

The cladogram below shows a phylogenetic analysis published by Longrich, Martill, and Andres in 2018. They recovered Kepodactylus as a basal member of the family Ctenochasmatidae.

Ctenochasmatidae
Ctenochasmatinae

Ctenochasma

Pterodaustrini

Pterodaustro

Beipiaopterus

Gegepterus

Kepodactylus

Moganopterinae

Moganopterus

Feilongus

Ardeadactylus

Elanodactylus

Gnathosaurinae

Huanhepterus

Plataleorhynchus

Gnathosaurus

See also

References

  1. Harris, J.D., and Carpenter, K. (1996). A large pterodactyloid from the Morrison Formation (Late Jurassic) of Garden Park, Colorado. Neues Jahrbuch für Geologie und Paläontologie - Monatshefte 1996(8):473-484.
  2. King, L.R., Foster, J.R., and Scheetz, R.D. (2006). New pterosaur specimens from the Morrison Formation and a summary of the Late Jurassic pterosaur record of the Rocky Mountain region. In: Foster, J.R., and Lucas, S.G. (eds.). Paleontology and Geology of the Upper Morrison Formation. New Mexico Museum of Natural History and Science Bulletin 36:149-161. ISSN 1524-4156.
  3. Longrich, N.R.; Martill, D.M.; Andres, B. (2018). "Late Maastrichtian pterosaurs from North Africa and mass extinction of Pterosauria at the Cretaceous-Paleogene boundary". PLOS Biology. 16 (3): e2001663. doi:10.1371/journal.pbio.2001663. PMC 5849296. PMID 29534059.
Pterosauria
Avemetatarsalia
Pterosauria
    • see below↓
Pterosauria
Pterosauria
Preondactylia
Caviramidae?
Austriadraconidae
Eopterosauria
Eudimorphodontoidea
Raeticodactylidae
Eudimorphodontidae
Eudimorphodontinae
Zambellisauria?
Macronychoptera
Dimorphodontidae
Lonchognatha?
Novialoidea
Campylognathoididae
Breviquartossa
Rhamphorhynchidae
Rhamphorhynchinae
Rhamphorhynchae
Angustinaripterini
Rhamphorhynchini
Digibrevisauria?
Scaphognathidae?
Pterodactylomorpha
    • see below↓
Campylognathoides liasicus

Scaphognathus crassirostris

Dorygnathus banthensis
Pterodactylomorpha
Pterodactylomorpha
Monofenestrata
Darwinoptera
Wukongopteridae
Wukongopterinae
Pterodactyliformes
Caelidracones
Anurognathidae
Anurognathinae
Batrachognathinae
Pterodactyloidea
Lophocratia
    • see below↓
Jeholopterus ninchengensis Kryptodrakon progenitor
Lophocratia
Archaeopterodactyloidea
Germanodactylidae
Euctenochasmatia
Ctenochasmatoidea
Gallodactylidae
Aurorazhdarchia
Aurorazhdarchidae
Ctenochasmatidae
Moganopterinae?
Gnathosaurinae
Ctenochasmatinae
Pterodaustrini
Eupterodactyloidea
Ornithocheiroidea
    • see below↓
Pterodactylus antiquus Plataleorhynchus streptorophorodon
Ornithocheiroidea
Ornithocheiroidea
Tapejaroidea
Dsungaripteridae
Dsungaripterinae
Azhdarchoidea
Tapejaromorpha
Thalassodromidae?
Tapejariformes
Caupedactylia?
Tapejaridae
Sinopterinae
Tapejarinae
Tapejarini
Caiuajarina
Neoazhdarchia
Dsungaripteromorpha?
Azhdarchomorpha
Neopterodactyloidea
Chaoyangopteridae
Chaoyangopterinae
Azhdarchiformes
Alanqidae?
Azhdarchidae
Azhdarchinae
Quetzalcoatlinae
Pteranodontoidea
    • see below↓
Bakonydraco galaczi

Tupandactylus imperator

Quetzalcoatlus
Pteranodontoidea
Pteranodontoidea
Pteranodontia
Pteranodontidae
Nyctosauromorpha
Aponyctosauria
Nyctosauridae
Ornithocheiromorpha
Lonchodectidae
Lanceodontia
Lonchodraconidae
Istiodactyliformes
Mimodactylidae
Istiodactylidae
Istiodactylinae
Ornithocheiriformes
Boreopteridae
Ornithocheirae
Ornithocheiridae
Ornithocheirinae
Targaryendraconia?
Cimoliopteridae
Targaryendraconidae
Anhangueria
Hamipteridae?
Anhangueridae
Coloborhynchinae?
Anhanguerinae
Tropeognathinae?
Tropeognathini
Mythungini
Pteranodon longiceps

Nyctosaurus gracilis

Ludodactylus sibbicki
Portals:
Taxon identifiers
Kepodactylus insperatus
Categories: