Rhachiocephalidae information

Rhachiocephalidae; Temporal range: Late Permian
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Clade:	Synapsida
Clade:	Therapsida
Suborder:	†Anomodontia
Clade:	†Dicynodontia
Clade:	†Cryptodontia
Family:	†Rhachiocephalidae; Maisch, 2000
Synonyms
	Pelorocyclopinae Broom, 1935; Pelorocyclopini King, 1988;

Rhachiocephalidae is an extinct family of dicynodont therapsids. It includes two genera from the Late Permian of southern Africa, Rhachiocephalus and Kitchinganomodon. Rhachiocephalids were the largest dicynodonts in the Permian, although the kannemeyeriiform dicynodonts of the Late Triassic grew to larger sizes. Rhachiocephalids are also unusual in that they have long, low skulls.^[1]

^ Kammerer, C.F.; Angielczyk, K.D. (2009). "A proposed higher taxonomy of anomodont therapsids" (PDF). Zootaxa. 2018: 1–24.

[KA09-1] Kammerer, C.F.; Angielczyk, K.D. (2009). "A proposed higher taxonomy of anomodont therapsids" (PDF). Zootaxa. 2018: 1–24.

Rhachiocephalidae information

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Rhachiocephalidae

Lystrosaurus

Bulbasaurus

Placerias

Dicynodontia

Lisowicia

Rhachiocephalus

Kannemeyeriiformes

Elphidae

Woznikella

Nyaphulia

Argodicynodon

Kannemeyeria

Dinodontosaurus

Diictodon

Endothiodontia

Lystrosauridae

Cryptodontia

Ischigualastia

Shansiodontidae

Myosauridae

Suminia

Dicynodontoidea

Geikiidae

Dromasauria

Jimusaria

Pylaecephalidae

Shansiodon

Pristerodon