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Alanqidae

From Wikipedia, the free encyclopedia
Family of azhdarchoid pterosaurs

Alanqids
Holotype jaws ofAlanqa
Scientific classificationEdit this classification
Kingdom:Animalia
Phylum:Chordata
Class:Reptilia
Order:Pterosauria
Suborder:Pterodactyloidea
Clade:Azhdarchoidea
Clade:Azhdarchiformes
Family:Alanqidae
Pêgas et al.,2022
Genera

Alanqidae is a group ofazhdarchoid pterosaurs from theLate Cretaceous of North Africa and South America. It is defined as all pterosaurs more closely related toAlanqa saharica than toChaoyangopterus zhangi (achaoyangopterid) orAzhdarcho lancicollis (anazhdarchid).

Description

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Alanqids are united by their unique jaw anatomy that may have been used for probe feeding or a diet consisting ofmolluscs inriparian and coastal ecosystems. They are notable for surviving theCenomanian-Turonian extinction that killed many forms of pterosaurs, though they did not survive to the end of theCretaceous.[1][2]

Classification

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Named in 2022 to containAlanqa andKeresdrakon,[1] the group has since been consistently recovered in both tapejarid[3][4] and azhdarchid-focused[5][6][7] phylogenetic analyses of azhdarchoids to includeAlanqa,Leptostomia, andXericeps from theKem Kem Group ofMorocco andArgentinadraco from thePortezuelo Formation ofArgentina. The results of aphylogenetic analysis in a 2025 study ofazhdarchoid relationships by Henry Thomas and Skye McDavid are shown below.[2]

Azhdarchoidea

References

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  1. ^abPêgas RV, Holgado B, Ortiz David LD, Baiano MA, Costa FR (2022). "On the pterosaurAerotitan sudamericanus (Neuquén Basin, Upper Cretaceous of Argentina), with comments on azhdarchoid phylogeny and jaw anatomy".Cretaceous Research.129 104998.Bibcode:2022CrRes.12904998P.doi:10.1016/j.cretres.2021.104998.ISSN 0195-6671.S2CID 238725853.
  2. ^abThomas, Henry N.; McDavid, Skye N. (5 Nov 2025)."Enter the dragons: the phylogeny of Azhdarchoidea (Pterosauria: Pterodactyloidea) and the evolution of giant size in pterosaurs".Journal of Systematic Palaeontology.23 (1) 2569368.doi:10.1080/14772019.2025.2569368. Retrieved5 November 2025.
  3. ^Pêgas, R. V.; Zhoi, X.; Jin, X.; Wang, K.; Ma, W. (2023)."A taxonomic revision of theSinopterus complex (Pterosauria, Tapejaridae) from the Early Cretaceous Jehol Biota, with the new genusHuaxiadraco".PeerJ.11. e14829.doi:10.7717/peerj.14829.PMC 9922500.PMID 36788812.
  4. ^Pêgas, Rodrigo V. (June 10, 2024)."A taxonomic note on the tapejarid pterosaurs from the Pterosaur Graveyard site (Caiuá Group, ?Early Cretaceous of Southern Brazil): evidence for the presence of two species".Historical Biology:1–22.doi:10.1080/08912963.2024.2355664.ISSN 0891-2963.
  5. ^Thomas, Henry N.; Hone, David W. E.; Gomes, Timothy; Peterson, Joseph E. (2025-02-28). "Infernodrakon hastacollis gen. et sp. nov., a new azhdarchid pterosaur from the Hell Creek Formation of Montana, and the pterosaur diversity of Maastrichtian North America".Journal of Vertebrate Paleontology.44 (4). e2442476.doi:10.1080/02724634.2024.2442476.ISSN 0272-4634.
  6. ^Zhou, Xuanyu; Ikegami, Naoki; Pêgas, Rodrigo V.; Yoshinaga, Toru; Sato, Takahiro; Mukunoki, Toshifumi; Otani, Jun; Kobayashi, Yoshitsugu (March 2025)."Reassessment of an azhdarchid pterosaur specimen from the Mifune Group, Upper Cretaceous of Japan".Cretaceous Research.167 106046.Bibcode:2025CrRes.16706046Z.doi:10.1016/j.cretres.2024.106046.ISSN 0195-6671.
  7. ^Giaretta, Ariovaldo A.; Navarro, Bruno A.; Marinho, Thiago S.; Pêgas, R. Vargas (September 2025)."The first pterosaur from the Bauru Group: an azhdarchid from the Upper Cretaceous of Brazil".Papers in Palaeontology.11 (5) e70039.doi:10.1002/spp2.70039.ISSN 2056-2799.
Avemetatarsalia
Pterosauria
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Preondactylia
Caviramidae?
Austriadraconidae
Raeticodactylidae
Eudimorphodontidae
Dimorphodontidae
Campylognathoididae
Rhamphorhynchidae
Scaphognathidae?
Pterodactylomorpha
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Campylognathoides liasicus

Scaphognathus crassirostris

Dorygnathus banthensis
Darwinoptera
Wukongopteridae
Anurognathidae
Pterodactyloidea
Lophocratia
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Jeholopterus ninchengensisKryptodrakon progenitor
Germanodactylidae
Gallodactylidae
Aurorazhdarchia
Aurorazhdarchidae
Ctenochasmatidae
Eupterodactyloidea
Ornithocheiroidea
    • see below↓
Pterodactylus antiquusPlataleorhynchus streptorophorodon
Dsungaripteridae
Thalassodromidae?
Tapejaridae
Dsungaripteromorpha?
Chaoyangopteridae
Azhdarchiformes
Alanqidae?
Azhdarchidae
Pteranodontoidea
    • see below↓
Bakonydraco galaczi

Tupandactylus imperator

Quetzalcoatlus
Pteranodontia
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Targaryendraconia?
Cimoliopteridae
Targaryendraconidae
Hamipteridae?
Anhangueridae
Pteranodon longiceps

Nyctosaurus gracilis

Ludodactylus sibbicki
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