Purlovia

Purlovia Temporal range: Late Permian
Restoration of Purlovia maxima
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Clade:	Synapsida
Clade:	Therapsida
Clade:	†Therocephalia
Family:	†Nanictidopidae
Genus:	†Purlovia Ivakhnenko, 2011
Type species
†P. maxima Ivakhnenko, 2011

Purlovia is an extinct genus of herbivorous therocephalian therapsids from the Late Permian of Russia. Fossils have been found from the Tonshayevsky District of Nizhny Novgorod Oblast. The type species of Purlovia, P. maxima, was named in 2011.

In comparison to other therocephalians, Purlovia had a very wide skull due to a widened temporal region. Viewed from above, it looks roughly triangular. The skull is about 20 centimetres (7.9 in) long, with nearly half its length in the postorbital region behind the eye sockets. It has large canine teeth and smaller buccal, or cheek teeth, along the thick upper and lower jaws. The lower jaw is robust and curved upward, with a well-developed symphyseal region where the two halves of the jaw meet.^[1]

Although it and the South African Nanictidops were considered closely related and classified as the only two members of Nanictidopidae by Ivakhnenko 2011 as they shared a wide temporal region, Liu and Abdala 2020 found little relation between the two genera and instead classifies Nanictidops as the basalmost member of Baurioidea, while Purlovia forms an exclusively Laurasian clade with Caodeyao from China instead.

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Therocephalia

Kingdom: Animalia Phylum: Chordata Clade: Synapsida Clade: Therapsida Clade: Eutheriodontia
Synapsida see Synapsida Therocephalia see below↓

Therocephalia
Therocephalia Gorynychus Porosteognathus Cynodontia? Lycosuchidae Lycosuchus Simorhinella Scylacosauridae Alopecodon Alopecognathus Biarmosuchoides? Eutheriodon Glanosuchus Hyorhynchus Julognathus Koksharovia Maraisaurus Pardosuchus Pristerognathus Scylacosaurus Eutherocephalia Caodeyao Kotelcephalon? Nanictidops Perplexisaurus Purlovia Scylacosuchus? Cynodontia? Chthonosauridae Chthonosaurus Ichibengops Akidnognathidae Akidnognathus Annatherapsidus Cerdosuchoides Euchambersia Jiufengia Moschorhinus Notaelurodon Olivierosuchus Promoschorhynchus Shiguaignathus Zorillodontops Whaitsioidea Ophidostoma Hofmeyriidae Gorochovetzia Hofmeyria Ictidostoma Mirotenthes Whaitsiidae Dalongkoua Ictidochampsa Megawhaitsia Microwhaitsia Moschowhaitsia Theriognathus Viatkosuchus Baurioidea see below↓

Baurioidea
Baurioidea Homodontosaurus Icticephalus Ictidodon Ictidodraco Ictidognathus Ictidosuchoides Ictidosuchops Ictidosuchus Jiucaiyuangnathus Macroscelesaurus Malasaurus Muchia Nanictocephalus Polycynodon Rhigosaurus Scalopocephalus Scalopodon Scalopodontes Scalopolacerta Scaloporhinus Scaloposuchus Silphictidoides Silpholestes Yikezhaogia Karenitidae Karenites Mupashi Lycideopidae Choerosaurus Lycideops Tetracynodon Regisauridae Regisaurus Urumchia Bauriamorpha Hazhenia Nothogomphodon Notictoides Ordosiodon Scaloposaurus Ericiolacertidae Ericiolacerta Pedaeosaurus? Silphedosuchus Bauriidae Antecosuchus Bauria Microgomphodon Scalopognathus Traversodontoides

Nomina dubia
Alopecorhinus Arnognathus Blattoidealestes Dongusaurus Hyaenasuchus Ictidoparia Ictidosaurus Scymnosaurus Tamboeria Trochorhinus Trochosaurus Trochosuchus

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