Cuatro Cienegas softshell

Cuatro Ciénegas softshell
Conservation status
Critically Endangered (IUCN 2.3)
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Subphylum:	Vertebrata
Class:	Reptilia
Order:	Testudines
Family:	Trionychidae
Genus:	Apalone
Species:	A. spinifera
Subspecies:	A. s. atra
Trinomial name
*Apalone spinifera atra* (Webb & Legler, 1960)^[1]
Synonyms^[2]
Trionyx ater Webb & Legler, 1960 Trionyx spinifer ater Morafka, 1977 Trionyx spiniferus ater Smith & Smith, 1980 Apalone spinifera ater Groombridge, 1988 Apalone ater David, 1994 Trionys spiniferus ater Obst, 1996 Apalone spiniferus ater Ferri, 2002 Apalone spinifera atra Artner, 2003 Apalone (Apalone) atra Vetter, 2004

The Cuatro Ciénegas softshell (Apalone spinifera atra), also called the black spiny softshell, is a subspecies of softshell turtle in the Trionychidae family. It was formerly classified in the genus Trionyx.^[3]

Geographic range

It is found only in the Cuatro Ciénegas Basin in the state of Coahuila, Mexico.

Conservation status

As of the last assessment in 1996, it was considered "Critically Endangered" by the "IUCN Red List of Threatened Species".

References

Tortoise & Freshwater Turtle Specialist Group (1996).
Apalone ater.
2006 IUCN Red List of Threatened Species. iucnredlist.org Downloaded on 9 July 2007.
Biodiversity.mongabay.com

Bibliography

Rhodin, Anders G.J.; van Dijk, Peter Paul; Inverson, John B.; Shaffer, H. Bradley; Roger, Bour (2011-12-31). "Turtles of the world, 2011 update: Annotated checklist of taxonomy, synonymy, distribution and conservation status". Chelonian Research Monographs 5. Archived from the original (PDF) on 2012-01-22.
Fritz, Uwe; Havaš, Peter (2007). "Checklist of Chelonians of the World". Vertebrate Zoology 57 (2). Archived from the original (PDF) on 2010-12-17.

Turtle family Trionychidae

Genus	Species of the subfamily Cyclanorbinae

Cyclanorbis	Nubian flapshell turtle Senegal flapshell turtle

Cycloderma	Aubry's flapshell turtle Zambezi flapshell turtle

Lissemys	Burmese flapshell turtle Indian flapshell turtle Sri Lankan flapshell turtle

	Species of the subfamily Trionychinae

Amyda	Asiatic softshell turtle

Apalone	Florida softshell turtle Smooth softshell turtle Spiny softshell turtle

Chitra	Asian narrow-headed softshell turtle Burmese narrow-headed softshell turtle Indian narrow-headed softshell turtle

Dogania	Malayan softshell turtle

Nilssonia	Black softshell turtle Burmese peacock softshell Indian softshell turtle Indian peacock softshell turtle Leith's softshell turtle

Palea	Wattle-necked softshell turtle

Pelochelys	Cantor's giant softshell turtle New Guinea giant softshell turtle Northern New Guinea giant softshell turtle

Pelodiscus	Chinese softshell turtle Hunan softshell turtle Lesser Chinese softshell turtle Northern Chinese softshell turtle

Rafetus	Euphrates softshell turtle Yangtze giant softshell turtle

Trionyx	African softshell turtle

Phylogenetic arrangement based on turtles of the world 2011 update: annotated checklist.

Extant turtle taxonomy

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

Suborder

Superfamily

Family

Subfamily	Genus

Cryptodira

Chelydridae

	Chelydra Macrochelys

Chelonioidea

Cheloniidae

Carettinae	Caretta Lepidochelys

Cheloniinae	Chelonia Eretmochelys Natator

Dermochelyidae

	Dermochelys

Kinosternoidea

Dermatemydidae

	Dermatemys

Kinosternidae

Kinosterninae	Kinosternon Sternotherus

Staurotypinae	Claudius Staurotypus

Testudinoidea

Emydidae

Deirochelyinae	Chrysemys Deirochelys Graptemys Malaclemys Pseudemys Trachemys

Emydinae	Clemmys Emys Glyptemys Terrapene

Geoemydidae

Geoemydinae	Batagur Cuora Cyclemys Geoclemys Geoemyda Hardella Heosemys Leucocephalon Malayemys Mauremys Melanochelys Morenia Notochelys Orlitia Pangshura Sacalia Siebenrockiella Vijayachelys

Rhinoclemmydinae	Rhinoclemmys

Platysternidae

	Platysternon

Testudinidae

	Aldabrachelys Astrochelys Chelonoidis Chersina Cylindraspis Geochelone Gopherus Homopus Indotestudo Kinixys Malacochersus Manouria Psammobates Pyxis Stigmochelys Testudo

Trionychia

Carettochelyidae

	Carettochelys

Trionychidae

Cyclanorbinae	Cyclanorbis Cycloderma Lissemys

Trionychinae	Amyda Apalone Chitra Dogania Nilssonia Palea Pelochelys Pelodiscus Rafetus Trionyx

Pleurodira

Chelidae

Chelinae	Acanthochelys Chelus Mesoclemmys Phrynops Platemys Rhinemys

Chelodininae	Chelodina Elseya Elusor Emydura Flaviemys Myuchelys Pseudemydura Rheodytes

Hydromedusinae	Hydromedusa

Pelomedusidae

	Pelomedusa Pelusios

Podocnemididae

	Erymnochelys Peltocephalus Podocnemis

Phylogenetic arrangement based on turtles of the world 2012 update: annotated checklist. Extinct turtles not included.

Portal Book See also List of Testudines families

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