Coahuilan box turtle

Coahuilan box turtle

Coahuilan box turtle (Terrapene coahuila) at the Columbus Zoo and Aquarium
Conservation status
Endangered (IUCN 3.1)^[1]
CITES Appendix I (CITES)^[2]
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Order:	Testudines
Suborder:	Cryptodira
Superfamily:	Testudinoidea
Family:	Emydidae
Genus:	Terrapene
Species:	T. coahuila
Binomial name
*Terrapene coahuila* Schmidt & Owens, 1944
Synonyms^[3]
Terrapene coahuila Schmidt & Owens, 1944 Terrapene ornata coahuila — Mertens & Wermuth, 1955 Terrapene coahuilae Milstead, 1960 (ex errore) Terrapene coahulia Milstead, 1969 (ex errore) Terapene coahuila — Nietzke, 1973 Terrepene coahuila — Morafka, 1977 Terrepene coahuilae — Morafka, 1977 Terrapene cohauila Ferri, 2002 (ex errore)

The Coahuilan box turtle (Terrapene coahuila), also known commonly as the aquatic box turtle, is an endangered species of turtle in the family Emydidae. Unlike the other members of the genus Terrapene, this turtle spends roughly 90% of its time in water.^[4]

It is a close relative to the common box turtle (T. carolina). Researchers have therefore suggested that it developed from a nonaquatic species in order to survive in the desert springs of Cuatro Ciénegas.^[4]

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Geographic range

T. coahuila is endemic to the vicinity of Cuatro Ciénegas in Coahuila, Mexico.^[5] Within an area of less than 800 km² (300 sq mi), there are several distinct pockets of this species. During the rainy season, Coahuilan box turtles may leave their home range and travel throughout the desert.^[4]

Description

The body of T. coahuila is adapted for spending long periods of time in the water, and the shell is often covered in algae. Just like any other box turtle, it has a hinged plastron that can be completely closed. The skin is dark, usually dark brown and dark gray, but some areas can appear completely black.^[4]

Diet

T. coahuila is an opportunistic feeder that will devour both plants and other animals. It will for instance eat fly larvae, dragonfly nymphs, beetles, true bugs, spiders,^[6] reptiles, fish, crayfish, mushrooms,^[6] and plant matter (such as Chara^[6] and Eleocharis spp.) in the wild.^[7]

Reproduction

Mating in T. coahuila takes place in shallow water from September to June, and eggs are laid from May to September. The eggs are laid in small clutches, typically consisting of just 2 to 3 eggs per clutch.^[4]

References

^ van Dijk, P.P.; Flores-Villela, O.; Howeth, J. (2016) [errata version of 2007 assessment]. "Terrapene coahuila". IUCN Red List of Threatened Species. 2007: e.T21642A97428806. doi:10.2305/IUCN.UK.2007.RLTS.T21642A9304337.en. Retrieved 2 July 2023.
^ "Appendices | CITES". cites.org. Retrieved 2022-01-14.
^ Fritz, Uwe; Havaš, Peter (2007). "Checklist of Chelonians of the World". Vertebrate Zoology. 57 (2): 200. doi:10.3897/vz.57.e30895.
^ ^a ^b ^c ^d ^e Berg, William. "Aquatic or Coahuilan Box Turtle – Terrapene coahuila". Retrieved 28 July 2013.
^ Brown WS (1974). "Ecology of the aquatic box turtle Terrapene coahuila (Chelonia, Emydidae), with comments on its evolutionary status". Bulletin of the Florida State Museum. 19: 1–67.
^ ^a ^b ^c Harpine, McKenzie (2020). Burroughs, Lauren; DiBuono, Layne; Lee, Lindsey; Powers, Karen; Burrell, Galen (eds.). "Terrapene coahuila (Coahuilan box turtle)". Animal Diversity Web. Retrieved 2 July 2023.
^ Brown WS (1974). "Ecology of the aquatic box turtle Terrapene coahuila (Chelonia, Emydidae), with comments on its evolutionary status". Bulletin of the Florida State Museum. 19: 1–67.

External links

Wikimedia Commons has media related to
Terrapene coahuila
(Coahuilan box turtle).

Tortoise & Freshwater Turtle Specialist Group. (1996). Terrapene coahuila. 2006 IUCN Red List of Threatened Species. Downloaded on 29 July 2007.
Coahuilan Box Turtle at Boxturtles.com Downloaded on 28 July 2013.
Desert Fishes Council Cuatrociénegas conservation foundation. Downloaded on 28 July 2013.
Coahuilan box turtle slide show at the University of Texas in Austin. Downloaded on 28 July 2013.

Emydidae family

Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Testudines
Suborder: Cryptodira
Superfamily: Testudinoidea
Family: Emydidae

Genera

Species of the Emydidae family

Chrysemys

Painted turtle

Clemmys

Spotted turtle

Deirochelys

Chicken turtle

Actinemys

Emys

Emydoidea

Blanding's turtle

Glyptemys

Graptemys

Malaclemys

Diamondback terrapin

Pseudemys

Terrapene

Trachemys

†Wilburemys

†Wilburemys yakimensis

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.

Testudines

Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Clade: Diapsida
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 †Corsochelys †Cosmochelys Dermochelys †Eosphargis †Mesodermochelys †Psephophorus
	†Euclastes †Peritresius †Procolpochelys †Protosphargis †Puppigerus

Kinosternoidea

Dermatemydidae	Dermatemys
Kinosternidae	Claudius †Hoplochelys Kinosternon Staurotypus Sternotherus

Testudinoidea

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

Trionychia

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

Chelydridae	Chelydra †Chelydrops †Chelydropsis †Emarginachelys †Macrocephalochelys Macrochelys †Planiplastron †Protochelydra
†Nanhsiungchelyidae	†Anomalochelys †Basilemys †Jiangxichelys
†Protostegidae	†Alienochelys †Archelon †Atlantochelys †Bouliachelys †Calcarichelys †Cratochelone †Desmatochelys †Iserosaurus †Notochelone †Ocepechelon †Pneumatoarthrus †Protostega †Rhinochelys †Santanachelys †Terlinguachelys
	†Adocus †Argillochelys †Bashuchelys †Ctenochelys †Prionochelys †Toxochelys

Pleurodira

†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 †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

Taxon identifiers	Wikidata: Q1104186 Wikispecies: Terrapene coahuila ADW: Terrapene_coahuila ARKive: terrapene-coahuila BOLD: 191072 CoL: 55HWK ECOS: 450 EoL: 1055223 Fossilworks: 90477 GBIF: 2443167 iNaturalist: 39813 IRMNG: 10370361 ITIS: 202089 IUCN: 21642 NCBI: 158815 Observation.org: 103763 RD: coahuila Species+: 6708

This page was last edited on 23 February 2024, at 10:28

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