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Amblydectes Temporal range: Early Cretaceous PreꞒ Ꞓ O S D C P T J K Pg N
A. crassidens holotype
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Order:	†Pterosauria
Suborder:	†Pterodactyloidea
Family:	†Anhangueridae
Subfamily:	†Tropeognathinae
Genus:	†Amblydectes Hooley, 1914
Type species
†Amblydectes crassidens Hooley, 1914
Synonyms
Ornithocheirus crassidens Seeley, 1870 Ornithocheirus eurygnathus Seeley, 1870 Amblydectes eurygnathus Seeley, 1870

Amblydectes is a genus of pterosaur known from jaw fragments. It apparently had a jaw flattened towards the tip and triangular in cross-section. It has at times been synonymized with Coloborhynchus, Criorhynchus, Lonchodectes, or Ornithocheirus. A 2013 study found A. crassidens and A. eurygnathus to be nomina dubia, with A. platystomus possibly belonging to a separate, yet unnamed genus. A 2021 study found A. crassidens to be a valid genus within Anhangueridae, while A. platystomus was placed in the new genus Draigwenia. A. eurygnathus was found to possibly be a junior synonym of A. crassidens.

See also

• Timeline of pterosaur research

References

1. Rodrigues, T.; Kellner, A. (2013). "Taxonomic review of the Ornithocheirus complex (Pterosauria) from the Cretaceous of England". ZooKeys (308): 1–112. doi:10.3897/zookeys.308.5559. PMC 3689139. PMID 23794925.
2. Holgado, Borja (2021-12-03). "On the validity of the genus Amblydectes Hooley 1914 (Pterodactyloidea, Anhangueridae) and the presence of Tropeognathinae in the Cambridge Greensand". Anais da Academia Brasileira de Ciências. 93 (suppl 2): e20201658. doi:10.1590/0001-3765202120201658. ISSN 0001-3765. PMID 34877964. S2CID 244884444.

v t e Pterosauria
Kingdom: Animalia Phylum: Chordata Class: Sauropsida Clade: Archosauria Clade: Avemetatarsalia Clade: Pterosauromorpha Avemetatarsalia see Avemetatarsalia Pterosauria see below↓
Pterosauria Pterosauria Daohugoupterus Preondactylia Austriadactylus Preondactylus Caviramidae? Carniadactylus? Caviramus Raeticodactylus? Austriadraconidae Arcticodactylus? Austriadraco Seazzadactylus Eopterosauria Austriadraco? Peteinosaurus? Preondactylia? Eudimorphodontoidea Raeticodactylidae Caviramus? Pachagnathus Raeticodactylus Yelaphomte Eudimorphodontidae Arcticodactylus? Eudimorphodontinae Carniadactylus? Eudimorphodon Zambellisauria? Peteinosaurus? Macronychoptera Herbstosaurus Dimorphodontidae Allkaruen? Caelestiventus Dimorphodon Parapsicephalus? Peteinosaurus? Rhamphinion? Lonchognatha? Eudimorphodon? Novialoidea Campylognathoididae Bergamodactylus Campylognathoides Breviquartossa Rhamphorhynchidae Dolicorhamphus? Klobiodon Parapsicephalus? Scaphognathinae? Rhamphorhynchinae Bellubrunnus Cacibupteryx Dorygnathus Harpactognathus Nesodactylus Orientognathus Qinglongopterus Rhamphorhynchae Angustinaripterini Angustinaripterus Dearc Harpactognathus? Qinglongopterus? Sericipterus Rhamphorhynchini Cacibupteryx? Nesodactylus? Rhamphorhynchus Digibrevisauria? Scaphognathidae? Fenghuangopterus Jianchangnathus Jianchangopterus Scaphognathus Sordes? Pterodactylomorpha see below↓
Pterodactylomorpha Pterodactylomorpha Allkaruen? Sordes? Monofenestrata Archaeoistiodactylus Melkamter Normannognathus Anurognathidae? Darwinoptera Ceoptera Pterorhynchus Wukongopteridae Kunpengopterus Wukongopterinae Archaeoistiodactylus? Cuspicephalus Darwinopterus Douzhanopterus? Wukongopterus Pterodactyliformes Changchengopterus? Douzhanopterus Skiphosoura Caelidracones Anurognathidae Mesadactylus Anurognathinae Anurognathus Dendrorhynchoides? Jeholopterus? Luopterus Vesperopterylus Batrachognathinae Batrachognathus Cascocauda Dendrorhynchoides? Jeholopterus? Sinomacrops Pterodactyloidea Dermodactylus Eurolimnornis Herbstosaurus? Kryptodrakon Ningchengopterus Pangupterus Propterodactylus Samrukia? Wenupteryx Lophocratia see below↓
Lophocratia Archaeopterodactyloidea Prejanopterus Germanodactylidae Altmuehlopterus? Germanodactylus Normannognathus? Tendaguripterus? Euctenochasmatia Diopecephalus Pterodactylus Ctenochasmatoidea Gallodactylidae Aurorazhdarcho? Cycnorhamphus Normannognathus? Petrodactyle? Moganopterinae? Aurorazhdarchia Aerodactylus Gallodactylidae? Aurorazhdarchidae Ardeadactylus? Aurorazhdarcho Huanhepterus? Ctenochasmatidae Ardeadactylus? Balaenognathus Cathayopterus Cratonopterus Elanodactylus Forfexopterus Gladocephaloideus Kepodactylus Liaodactylus Otogopterus Petrodactyle Pterofiltrus Moganopterinae? Feilongus Moganopterus Gnathosaurinae Gnathosaurus Huanhepterus? Lusognathus Plataleorhynchus Tacuadactylus Ctenochasmatinae Ctenochasma Pterodaustrini Beipiaopterus Eosipterus Gegepterus Pterodaustro Eupterodactyloidea Altmuehlopterus? Ornithocheiroidea see below↓
Ornithocheiroidea Ornithocheiroidea Piksi? Tapejaroidea Dsungaripteridae Banguela? Lonchognathosaurus? Noripterus Ordosipterus Puntanipterus? Tendaguripterus? Dsungaripterinae Domeykodactylus Dsungaripterus Azhdarchoidea Inabtanin Ornithostoma Tapejaromorpha Bennettazhia Thalassodromidae? Alanqa? Argentinadraco? Banguela? Kariridraco Leptostomia? Thalassodromeus Tupuxuara Xericeps? Tapejariformes Caupedactylia? Aymberedactylus Caupedactylus Tapejaridae Sinopterinae Afrotapejara Bakonydraco? Eopteranodon? Huaxiadraco Nemicolopterus Sinopterus Wightia Tapejarinae Aymberedactylus? Caupedactylus? Keresdrakon? Lacusovagus? Vectidraco Tapejarini Bakonydraco? Europejara Tapejara Tupandactylus Caiuajarina Caiuajara Torukjara Neoazhdarchia Dsungaripteromorpha? Microtuban Dsungaripteridae Thalassodromidae? Azhdarchomorpha Keresdrakon? Neopterodactyloidea Chaoyangopteridae Apatorhamphus? Eoazhdarcho Lacusovagus? Meilifeilong Microtuban? Chaoyangopterinae Chaoyangopterus Jidapterus Shenzhoupterus Azhdarchiformes Montanazhdarcho Radiodactylus Alanqidae? Alanqa Argentinadraco? Leptostomia? Montanazhdarcho? Xericeps? Azhdarchidae Alanqa? Navajodactylus? Palaeocursornis Azhdarchinae Aerotitan? Albadraco? Azhdarcho Mistralazhdarcho? Quetzalcoatlinae Aerotitan? Albadraco? Aralazhdarcho Arambourgiania Cryodrakon Eurazhdarcho? Hatzegopteryx Mistralazhdarcho? Nipponopterus Phosphatodraco? Quetzalcoatlus Thanatosdrakon Wellnhopterus? Zhejiangopterus? Pteranodontoidea see below↓
Pteranodontoidea Pteranodontoidea Santanadactylus Pteranodontia Pteranodontidae Bogolubovia Dawndraco Pteranodon Tethydraco Volgadraco? Nyctosauromorpha Alamodactylus Cretornis Volgadraco? Aponyctosauria Alcione Epapatelo Simurghia Nyctosauridae Barbaridactylus Muzquizopteryx Nyctosaurus Ornithocheiromorpha Aussiedraco Serradraco Unwindia Lonchodectidae Hongshanopterus? Ikrandraco? Lonchodectes Lonchodraco? Targaryendraco? Lanceodontia Draigwenia Lonchodraconidae Ikrandraco Lonchodraco Istiodactyliformes Hongshanopterus? Linlongopterus Yixianopterus Lonchodectidae? Mimodactylidae Haopterus Linlongopterus Mimodactylus Istiodactylidae Lingyuanopterus Longchengpterus Luchibang Nurhachius Istiodactylinae Istiodactylus Liaoxipterus Ornithocheiriformes Barbosania Brasileodactylus Cearadactylus Hamipterus Boreopteridae Boreopterus Zhenyuanopterus Ornithocheirae Ornithocheiridae Araripesaurus Arthurdactylus Camposipterus? Caulkicephalus? Cimoliopterus? Haliskia? Tropeognathus? Ornithocheirinae Aetodactylus? Camposipterus? Coloborhynchus? Draigwenia? Ferrodraco? Guidraco? Ludodactylus? Mythunga? Ornithocheirus Siroccopteryx? Uktenadactylus? Targaryendraconia? Cimoliopteridae Aetodactylus Camposipterus? Cimoliopterus Targaryendraconidae Aussiedraco? Barbosania? Targaryendraco Anhangueria Brasileodactylus? Ornithocheiridae? Hamipteridae? Hamipterus Iberodactylus Anhangueridae Coloborhynchinae? Aerodraco Coloborhynchus Nicorhynchus Siroccopteryx? Uktenadactylus Anhanguerinae Anhanguera Caulkicephalus? Cearadactylus? Guidraco Liaoningopterus Ludodactylus Maaradactylus Tropeognathinae? Tropeognathini Akharhynchus Amblydectes? Siroccopteryx? Tropeognathus Mythungini Ferrodraco? Haliskia? Mythunga Thapunngaka

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