Spiny turtle

Spiny turtle
	File:Heosemys spinosa 2 Hardwicke.jpg
Conservation status
	; Endangered (IUCN 2.3)
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Sauropsida
Order:	Testudines
Suborder:	Cryptodira
Superfamily:	Testudinoidea
Family:	Geoemydidae
Genus:	Heosemys
Species:	H. spinosa
Binomial name
	Heosemys spinosa; Gray, 1830
Synonyms
	Emys spinosae Gray, 1830; Geoemyda spinosa Gray, 1834; Clemmys (Clemmys) spinosa Fitzinger, 1835; Heosemys spinosa Stejneger, 1902;

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The spiny turtle (Heosemys spinosa) inhabits lowland and hill rainforest, usually in the vicinity of small streams, mainly in hill areas up to 900 m above sea level.

Description

File:Heosemys spinosa Hardwicke.jpg

Carapace

The origin of its common and specific name is immediately apparent from the sharp, pointed, spiky-edged carapace, and spiny keel, of this unique turtle, also known as the ‘cog-wheel turtle'.

Distribution

The spiny turtle is known from Brunei, Indonesia, Malaysia, Myanmar, the Philippines, Singapore, and Thailand.^[1]

Reproduction

Mating behaviour appears to be triggered by rain; in captivity, spraying males with water results in them chasing females and attempting to mount. Nothing is known of nesting behaviour in the wild. One, two, or rarely three eggs are laid per clutch; in captivity, laying usually occurs in the night or early morning. Females produce up to three clutches per year. A plastron hinge develops to ease laying. Three captive incubations have succeeded, with durations of 106, 110, and 145 days.^[4]

References

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Bibliography

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External links

ARKive - images and movies of the spiny turtle (Heosemys spinosa)

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[4]

v t e Turtle family Geoemydidae
Genus	Species of the family Geoemydidae
Batagur	Burmese roofed turtle Northern river terrapin Painted terrapin Red-crowned roofed turtle Southern river terrapin Three-striped roofed turtle
Cuora	Amboina box turtle Bourret's box turtle Indochinese box turtle McCord's box turtle Keeled box turtle Pan's box turtle Southern Vietnamese box turtle Chinese three-striped box turtle Yellow-headed box turtle Yellow-margined box turtle Yunnan box turtle Zhou's box turtle
Cyclemys	Asian leaf turtle Assam leaf turtle Eastern black-bridged leaf turtle Enigmatic leaf turtle Myanmar brown leaf turtle Oldham's leaf turtle Western black-bridged leaf turtle
Geoclemys	Black pond turtle
Geoemyda	Black-breasted leaf turtle Ryukyu black-breasted leaf turtle
Hardella	Brahminy river turtle
Heosemys	Arakan forest turtle Giant Asian pond turtle Spiny turtle Yellow-headed temple turtle
Leucocephalon	Sulawesi forest turtle
Malayemys	Malayan snail-eating turtle Mekong snail-eating turtle
Mauremys	Balkan pond turtle Caspian turtle Chinese pond turtle Chinese stripe-necked turtle Japanese pond turtle Red-necked pond turtle Spanish pond turtle Vietnamese pond turtle Yellow pond turtle
Melanochelys	Indian black turtle Tricarinate hill turtle
Morenia	Burmese eyed turtle Indian eyed turtle
Notochelys	Malayan flat-shelled turtle
Orlitia	Malaysian giant turtle
Pangshura	Assam roofed turtle Brown roofed turtle Indian roofed turtle Indian tent turtle
Rhinoclemmys	Black river turtle Brown wood turtle Colombian wood turtle Furrowed wood turtle Large-nosed wood turtle Maracaibo wood turtle Mexican spotted wood turtle Painted wood turtle Spot-legged turtle
Sacalia	Beal's eyed turtle Four-eyed turtle
Siebenrockiella	Black marsh turtle Philippine forest turtle
Vijayachelys	Cane turtle
Phylogenetic arrangement based on turtles of the world 2011 update: annotated checklist.

Spiny turtle

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Spiny turtle
File:Heosemys spinosa 2 Hardwicke.jpg
Conservation status
Endangered (IUCN 2.3)^[1]^[2]
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Sauropsida
Order:	Testudines
Suborder:	Cryptodira
Superfamily:	Testudinoidea
Family:	Geoemydidae
Genus:	Heosemys
Species:	H. spinosa
Binomial name
*Heosemys spinosa* Gray, 1830^[1]
Synonyms^[3]
Emys spinosae Gray, 1830 Geoemyda spinosa Gray, 1834 Clemmys (Clemmys) spinosa Fitzinger, 1835 Heosemys spinosa Stejneger, 1902