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Prolacertids Temporal range: Induan-Olenekian, 252–247 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓
Illustration of the skull of Prolacerta broomi
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Clade:	Archosauromorpha
Clade:	Crocopoda
Family:	†Prolacertidae Parrington, 1935
Genera
†Kadimakara †Prolacerta (Type)

Prolacertidae is an extinct family of archosauromorph reptiles that lived during the Early Triassic epoch. It was named in 1935 by the British palaeontologist Francis Rex Parrington to include the species Prolacerta broomi of South Africa and Antarctica. In 1979 a second species, Kadimakara australiensis, was described from Australia. Several other genera, such as Macrocnemus, Pamelaria and Prolacertoides, have also been assigned to this family in the past, but these have been placed elsewhere by later studies, leaving Prolacerta and Kadimakara as the only well-supported members.

The prolacertids were historically placed within the paraphyletic group Prolacertiformes along with other basal, long-necked archosauriforms like Protorosaurus and the tanystropheids. However, more recent research has shown that the prolacertids were only distantly related to other "prolacertiforms", and were instead among the closest relatives of Archosauriformes.

The cladogram below follows a phylogenetic analysis by Ezcurra (2016):

References

1. Parrington, F. R. (1935). "XVI.—On Prolacerta broomi, gen. et sp. n., and the origin of lizards". Annals and Magazine of Natural History. 16 (92): 197–205. doi:10.1080/00222933508655037.
2. Bartholomai, A. (1979). "New lizard-like reptiles from the Early Triassic of Queensland". Alcheringa: An Australasian Journal of Palaeontology. 3 (3): 225–234. Bibcode:1979Alch....3..225B. doi:10.1080/03115517908527795.
3. Sen, K. (March 2003). "Pamelaria dolichotrachela, a new prolacertid reptile from the Middle Triassic of India". Journal of Asian Earth Sciences. 21 (6): 663–681. Bibcode:2003JAESc..21..663S. doi:10.1016/S1367-9120(02)00110-4.
4. ^ Ezcurra, M. D. (2016). "The phylogenetic relationships of basal archosauromorphs, with an emphasis on the systematics of proterosuchian archosauriforms". PeerJ. 4: e1778. doi:10.7717/peerj.1778. PMC 4860341. PMID 27162705.

v t e Archosauromorpha
Kingdom: Animalia Phylum: Chordata Class: Sauropsida Clade: Diapsida Clade: Sauria Clade: Archelosauria Sauropsida see Sauropsida Archosauromorpha see below↓
Archosauromorpha Archosauromorpha †Aenigmastropheus †Czatkowiella †Elachistosuchus? †Elessaurus †Malutinisuchus †Mecistotrachelos †Prolacertoides †Protorosaurus †Rhombopholis †Vritramimosaurus †Tanysauria Jesairosaurus? Trachelosauridae Austronaga Dinocephalosaurus Fuyuansaurus? Gracilicollum? Protanystropheus Pectodens Sclerostropheus? Trachelosaurus Sharovipterygidae? Ozimek Sharovipteryx Tanystropheidae Amotosaurus Augustaburiania Cosesaurus Fuyuansaurus? Gracilicollum? Gwyneddosaurus Langobardisaurus Luxisaurus Macrocnemus Raibliania Sclerostropheus? Tanystropheus Tanytrachelos Sharovipterygidae? Crocopoda †Boreopricea †Cryptovaranoides? †Tasmaniosaurus †Teyujagua †Allokotosauria see Allokotosauria †Rhynchosauria see Rhynchosauria †Prolacertidae? Kadimakara Prolacerta Archosauriformes see below↓
Archosauriformes Archosauriformes †Antarctanax †Cuyosuchus †Eorasaurus? †Kalisuchus †Koilamasuchus †Sarmatosuchus †Syntomiprosopus †Proterosuchidae Archosaurus Chasmatosuchus? Gamosaurus Jaikosuchus Proterosuchus Samsarasuchus Tsylmosuchus? Vonhuenia? †Protopyknosia Kranosaura Triopticus †Erythrosuchidae Bharitalasuchus Chalishevia Erythrosuchus Fugusuchus? Garjainia Guchengosuchus Shansisuchus Uralosaurus Eucrocopoda †Asperoris †Dorosuchus †Heteropelta †Litorosuchus †Marcianosuchus †Polymorphodon †Vancleavea †Euparkeriidae Euparkeria Halazhaisuchus Osmolskina †Proterochampsia see Proterochampsia Crurotarsi †Phytosauria see Phytosauria Archosauria Incertae sedis †Sikannisuchus? †Smok Avemetatarsalia see Avemetatarsalia includes birds Pseudosuchia see Pseudosuchia includes crocodilians
Related topics Tooth taxa †Crosbysaurus †Lucianosaurus †Tecovasaurus †Palaeosaurus †Protecovasaurus †Uatchitodon †Zanclodon Nomina dubia †Albisaurus †Ankistrodon †Avipes †Blomosuchus †Collilongus †Exilisuchus †Fenhosuchus †Megacnemus †Microcnemus †Vjushkovisaurus †Wangisuchus Paraphyletic groups Proterosuchia Protorosauria Thecodontia Possible members Choristodera Drepanosauromorpha Kuehneosauridae Ichthyosauromorpha Sauropterygia Thalattosauria
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• Archosauromorphs
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• Early Triassic reptiles
• Taxa named by Francis Rex Parrington
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