Species of rodent
White-spined Atlantic spiny rat |
Conservation status |
Least Concern (IUCN 3.1)[1] |
Scientific classification |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Mammalia |
Order: | Rodentia |
Family: | Echimyidae |
Subfamily: | Euryzygomatomyinae |
Genus: | Trinomys |
Species: | T. albispinus |
Binomial name |
Trinomys albispinus
(I. Geoffroy, 1838) |
Subspecies |
See text |
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Synonyms |
Proechimys albispinus |
The white-spined Atlantic spiny rat (Trinomys albispinus) is a spiny rat species endemic to Brazil.[2]
Description
This is one of the smaller spiny rats, with a head-body length of 15 to 21 cm (5.9 to 8.3 in), and a tail 12 to 18 centimetres (4.7 to 7.1 in) long. Adult weight can be anything from 120 to 230 g (4.2 to 8.1 oz). The fur on the upper body and flanks is tawny to buff, interspersed with much paler (although usually not pure white) spines. The underparts, including the lower surface of the tail, are white.[3]
Females are pregnant between January and June, and give birth to litters of up to four young.[3]
Distribution and habitat
T. albispinus is found in a relatively small region of eastern Brazil, in the states of Sergipe and Bahia. Compared with other spiny rats, they are adapted for a relatively dry climate, and the region is dominated semi-arid caatinga forest with a mix of deciduous trees and cactuses, among other plants.[3]
Three subspecies are recognised from different parts of this region:
- T. a. albispinus - southern coastal parts of the range
- T. a. minor - inland parts of the range
- T. a. sertonius - northern coastal parts of the range
References
- ^ Bonvicino, C.R.; Catzeflis, F.; Patton, J.L.; Percequillo, A.; Weksler, M. (2016). "Trinomys albispinus". IUCN Red List of Threatened Species. 2016: e.T18272A22211739. doi:10.2305/IUCN.UK.2016-2.RLTS.T18272A22211739.en. Retrieved 13 November 2021.
- ^ Woods, C.A.; Kilpatrick, C.W. (2005). "Infraorder Hystricognathi". In Wilson, D.E.; Reeder, D.M (eds.). Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Johns Hopkins University Press. pp. 1538–1600. ISBN 978-0-8018-8221-0. OCLC 62265494.
- ^ a b c Pessôa, L.M. & dos Reis, S.F. (2002). "Proechimys albispinus". Mammalian Species. 693: Number 693: pp. 1–3. doi:10.1644/1545-1410(2002)693<0001:PA>2.0.CO;2. S2CID 198968814.
Extant species of family Echimyidae (Spiny rats), including Myocastoridae (Coypus) and Capromyidae (Hutias)
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Echimyinae | Echimyini | Dactylomys | - Bolivian bamboo rat (D. boliviensis)
- Amazon bamboo rat (D. dactylinus)
- Montane bamboo rat (D. peruanus)
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Diplomys | - Colombian soft-furred spiny rat (D. caniceps)
- Rufous soft-furred spiny rat (D. labilis)
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Echimys | - White-faced spiny tree-rat (E. chrysurus)
- Dark spiny tree-rat (E. saturnus)
- Vieira's spiny tree-rat (E. vieirai)
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Isothrix | - I. barbarabrownae
- Yellow-crowned brush-tailed rat (I. bistriata)
- Rio Negro brush-tailed rat (I. negrensis)
- Plain brush-tailed rat (I. pagurus)
- Sinnamary brush-tailed rat (I. sinnamariensis)
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Kannabateomys | - Atlantic bamboo rat (K. amblyonyx)
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Lonchothrix | - Tuft-tailed spiny tree-rat (L. emiliae)
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Makalata | - Red-nosed armored tree-rat (M. didelphoides)
- Long-tailed armored tree-rat (M. macrura)
- Dark armored tree-rat (M. obscura)
- Peruvian armored tree-rat (M. rhipidura)
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Mesomys | - Ferreira's spiny tree-rat (M. hispidus)
- Woolly-headed spiny tree-rat (M. leniceps)
- Tufted-tailed spiny tree-rat (M. occultus)
- Pará spiny tree-rat (M. stimulax)
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Olallamys | - White-tailed olalla rat (O. albicauda)
- Greedy olalla rat (O. edax)
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Pattonomys | - Bare-tailed armored tree-rat (P. occasius)
- Speckled spiny tree-rat (P. semivillosus)
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Phyllomys | - Golden Atlantic tree-rat (P. blainvillii)
- Orange-brown Atlantic tree-rat (P. brasiliensis)
- Drab Atlantic tree-rat (P. dasythrix)
- Kerr's Atlantic tree-rat (P. kerri)
- Pallid Atlantic tree-rat (P. lamarum)
- Lund's Atlantic tree-rat (P. lundi)
- Mantiqueira Atlantic tree-rat (P. mantiqueirensis)
- Long-furred Atlantic tree-rat (P. medius)
- Blacked-spined Atlantic tree-rat (P. nigrispinus)
- Rusty-sided Atlantic tree-rat (P. pattoni)
- Southern Atlantic tree-rat (P. sulinus)
- Giant Atlantic tree-rat (P. thomasi)
- Short-furred Atlantic tree-rat (P. unicolor)
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Santamartamys | - Red-crested tree-rat (S. rufodorsalis)
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Toromys | - Giant tree-rat (T. grandis)
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Myocastorini | Callistomys | - Painted tree-rat (C. pictus)
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Hoplomys | - Armored rat (H. gymnurus)
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Myocastor | |
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Proechimys | group canicollis | - Colombian spiny rat (P. canicollis)
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group decumanus | - Pacific spiny rat (P. decumanus)
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group echinothrix | - Stiff-spine spiny rat (P. echinothrix)
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group gardneri | - Gardner's spiny rat (P. gardneri)
- Kulina spiny rat (P. kulinae)
- Patton's spiny rat (P. pattoni)
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group goeldii | - Goeldi's spiny rat (P. goeldii)
- Napo spiny rat (P. quadruplicatus)
- Steere's spiny rat (P. steerei)
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group guyannensis | - Guyenne spiny rat (P. guyannensis)
- Roberto's spiny rat (P. roberti)
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group longicaudatus | - Short-tailed spiny rat (P. brevicauda)
- Cuvier's spiny rat (P. cuvieri)
- Long-tailed spiny rat (P. longicaudatus)
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group semispinosus | - O'Connell's spiny rat (P. oconnelli)
- Tome's spiny rat (P. semispinosus)
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group simonsi | - Simon's spiny rat (P. simonsi)
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group trinitatus | - Trinidad spiny rat (P. trinitatus)
- Boyacá spiny rat (P. chrysaeolus)
- Guaira spiny rat (P. guairae)
- Guyanan spiny rat (P. hoplomyoides)
- Magdalena spiny rat (P. magdalenae)
- Minca spiny rat (P. mincae)
- Gray-footed spiny rat (P. poliopus)
- Sucre spiny rat (P. urichi)
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Thrichomys | - Common punaré (T. apereoides)
- Foster's punaré (T. fosteri)
- Highlands punaré (T. inermis)
- Sao Lourenço punaré (T. laurentius)
- Paraguayan punaré (T. pachyurus)
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Euryzygomatomyinae | — | Clyomys | - Broad-headed spiny rat (C. laticeps)
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Euryzygomatomys | - Brandt's guiara (E. guiara)
- Fischer's guiara (E. spinosus)
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Trinomys | - White-spined Atlantic spiny rat (T. albispinus)
- Soft-spined Atlantic spiny rat (T. dimidiatus)
- Elias's Atlantic spiny rat (T. eliasi)
- Gracile Atlantic spiny rat (T. gratiosus)
- Ihering's Atlantic spiny rat (T. iheringi)
- Dark-caped Atlantic spiny rat (T. mirapitanga)
- Moojen's Atlantic spiny rat (T. moojeni)
- Mouse-tailed Atlantic spiny rat (T. myosuros)
- Spiked Atlantic spiny rat (T. paratus)
- Hairy Atlantic spiny rat (T. setosus)
- Yonenaga's Atlantic spiny rat (T. yonenagae)
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Incertae sedis | |
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Capromyinae | Capromyini | Capromys | - Desmarest's hutia (C. pilorides)
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Geocapromys | - Jamaican coney (G. brownii)
- Bahamian hutia (G. ingrahami)
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Mesocapromys | - Cabrera's hutia (M. angelcabrerai)
- Eared hutia (M. auritus)
- Black-tailed hutia (M. melanurus)
- Dwarf hutia (M. nanus)
- San Felipe hutia (M. sanfelipensis)
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Mysateles | - Garrido's hutia (M. garridoi)
- Isla De La Juventud tree hutia (M. meridionalis)
- Prehensile-tailed hutia (M. prehensilis)
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Plagiodontini | |
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Taxon identifiers |
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Trinomys albispinus | |
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