Pyxis (genus)

Pyxis is a genus of tortoise in the family Testudinidae. It contains the following species:

Flat-backed spider tortoise (Pyxis planicauda)
Spider tortoise (Pyxis arachnoides)

Pyxis

Spider tortoise
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Order:	Testudines
Suborder:	Cryptodira
Superfamily:	Testudinoidea
Family:	Testudinidae
Genus:	Pyxis Bell, 1827[1]

References

Turtles of the World: Annotated Checklist of Taxonomy and Synonymy, December 2009 update.

Tortoise family

Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Subclass: Anapsida
Order: Testudines
Suborder: Cryptodira
Superfamily: Testudinoidea
Family: Testudinidae

Genera

Species of the tortoise family

Russian tortoise

Chaco tortoise
Red-footed tortoise
Yellow-footed tortoise
†Chelonoidis alburyorum
†Chelonoidis cubensis
†Chelonoidis lutzae
†Chelonoidis monensis
†Chelonoidis sellovii
†Chelonoidis sombrerensis

Galápagos tortoise

Chelonoidis complex

†Cheirogaster

†Cheirogaster bacharidisi
†Cheirogaster gymnesica
†Cheirogaster schafferi

Angulate tortoise

†Cylindraspis

†Hadrianus corsoni
†Hadrianus majusculus
†Hadrianus octonaria
†Hadrianus robustus
†Hadrianus schucherti
†Hadrianus utahensis
†Hadrianus vialovi

†Hesperotestudo

†Hesperotestudo percrassa

Pancake tortoise

†Megalochelys

Leopard tortoise

†Stylemys botti
†Stylemys calaverensis
†Stylemys canetotiana
†Stylemys capax
†Stylemys conspecta
†Stylemys copei
†Stylemys emiliae
†Stylemys frizaciana
†Stylemys karakolensis
†Stylemys nebrascensis
†Stylemys neglectus
†Stylemys oregonensis
†Stylemys pygmea
†Stylemys uintensis
†Stylemys undabuna

Phylogenetic arrangement of turtles based on turtles of the world 2017 update: Annotated checklist and atlas of taxonomy, synonymy, distribution, and conservation status. Key: †=extinct.

Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Subclass: Anapsida
Order: Testudines

Genus

Chelonioidea
(Sea turtles)

Cheloniidae	†Allopleuron Caretta †Carolinochelys Chelonia †Eochelone Eretmochelys †Gigantatypus †Glarichelys †Itilochelys Lepidochelys †Mexichelys †Miocaretta Natator †Pacifichelys †Syllomus †Tasbacka
Dermochelyidae	†Arabemys †Bouliachelys †Corsochelys †Cosmochelys Dermochelys †Eosphargis †Mesodermochelys †Psephophorus
	†Alienochelys †Berruchelus †Euclastes †Peritresius †Procolpochelys †Protosphargis †Puppigerus

Dermatemydidae	Dermatemys
Kinosternidae	Claudius †Hoplochelys Kinosternon Staurotypus Sternotherus

Emydidae	Chrysemys Clemmys Deirochelys Emys Actinemys Emydoidea Glyptemys Graptemys Malaclemys Pseudemys Terrapene Trachemys
Geoemydidae	Batagur †Banhxeochelys Cuora Cyclemys Geoclemys Geoemyda Hardella Heosemys Leucocephalon Malayemys Mauremys Melanochelys Morenia Notochelys Orlitia Pangshura Rhinoclemmys Sacalia Siebenrockiella Vijayachelys
Platysternidae	Platysternon
Tortoises	Aldabrachelys Astrochelys Centrochelys Chelonoidis Chersina Cylindraspis Geochelone Gopherus †Hadrianus †Hesperotestudo Homopus Indotestudo Kinixys Malacochersus Manouria †Megalochelys Psammobates Pyxis Stigmochelys †Stylemys Testudo

Carettochelyidae	†Allaeochelys †Anosteira Carettochelys
Trionychidae	Amyda Apalone †Axestemys Chitra Cyclanorbis Cycloderma Dogania †Gilmoremys †Hutchemys †Khunnuchelys Lissemys Nilssonia Palea †Palaeoamyda Pelochelys Pelodiscus Rafetus Trionyx
	†Basilochelys †Sinaspideretes

†Baenidae	†Arvinachelys †Baena †Cedrobaena †Chisternon †Denazinemys †Gamerabaena †Neurankylus †Palatobaena †Peckemys †Plesiobaena
†Pleurosternidae	†Dinochelys †Dorsetochelys †Glyptops †Pleurosternon †Selenemys

Chelydridae	†Acherontemys Chelydra †Chelydrops †Chelydropsis †Emarginachelys †Macrocephalochelys Macrochelys †Planiplastron †Protochelydra
†Eurysternidae	†Achelonia †Chelonides †Eurysternum †Hydropelta †Idiochelys †Palaeomedusa †Parachelys
†Macrobaenidae	†Anatolemys †Aurorachelys †Kirgizemys †Osteopygis †Yakemys
†Nanhsiungchelyidae	†Anomalochelys †Basilemys †Jiangxichelys
†Protostegidae	†Archelon †Atlantochelys †Atlantochelys †Calcarichelys †Cratochelone †Desmatochelys †Iserosaurus †Notochelone †Ocepechelon †Pneumatoarthrus †Protostega †Rhinochelys †Santanachelys †Terlinguachelys
†Sinemydidae	†Jeholochelys †Liaochelys †Manchurochelys †Ordosemys †Sinemys
†Thalassemydidae	†Neusticemys †Palaeomedusa †Thalassemys
	†Adocus †Angolachelys †Argillochelys †Bashuchelys †Brodiechelys †Ctenochelys †Compsemys †Hoyasemys †Larachelus †Leyvachelys †Plesiochelys †Toxochelys †Uluops †Xinjiangchelys

†Araripemydidae	†Araripemys
†Bothremydidae	†Araiochelys †Arenila †Azabbaremys †Bothremys †Cearachelys †Chedighaii †Chupacabrachelys †Eotaphrosphys †Foxemys †Galianemys †Ilatardia †Inaechelys †Itapecuruemys †Jainemys †Kinkonychelys †Kurmademys †Labrostochelys †Nigeremys †Phosphatochelys †Polysternon †Puentemys †Rosasia †Rhothonemys †Sankuchemys †Taphrosphys †Ummulisani †Zolhafah
Chelidae	Acanthochelys Chelodina Chelus Elseya Elusor Emydura Hydromedusa †Lomalatachelys Mesoclemmys Myuchelys Phrynops Platemys †Prochelidella Pseudemydura Rheodytes Rhinemys †Yaminuechelys
Pelomedusidae	Pelomedusa Pelusios
Podocnemididae	†Albertwoodemys †Bauruemys †Brontochelys †Caninemys †Carbonemys †Cerrejonemys †Cordichelys Erymnochelys †Lapparentemys †Latentemys Peltocephalus Podocnemis †Stupendemys
†Sahonachelyidae	†Sahonachelys †Sokatra

	†Caribemys †Caririemys †Chubutemys †Hispaniachelys †Tacuarembemys

Phylogenetic arrangement of turtles based on Turtles of the World 2017 Update: Annotated Checklist and Atlas of Taxonomy, Synonymy, Distribution, and Conservation Status. † = extinct.

See also List of Testudines families

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