86:
42:
61:
232:
379:
Patterson and
Pascual (1968), Patterson and Wood (1982), Woods (1982, 1984, 1993) Patton and Reig (1989), Nowak (1999), and Carvalho (2000) support the inclusion of this animal in Echimyidae whereas Martin (1994), McKenna and Bell (1997), Carvalho and Salles (2004), and Woods and Kilpatrick (2005)
317:
Their skulls are unusual in several ways. The eye socket is almost completely surrounded by a ring of bone. Incisors are distinctly narrow. Overall, the animal displays a mix of New World porcupine cranial characters, spiny rat cranial characters, and characters that set it apart from all other
634:
Emmons, L.H. 2005. A Revision of the Genera of
Arboreal Echimyidae (Rodentia: Echimyidae, Echimyinae), With Descriptions of Two New Genera. pp. 247–310 in Lacey, E.A. & Myers, P. 2005. Mammalian Diversification: From Chromosomes to Phylogeography (A Celebration of the Career of James L.
321:
The bristle-spined rat is restricted to remnant forests and forest edges in the
Atlantic coastal forests on the east coast of Brazil. Its habitat is dwindling rapidly and the species may be vulnerable to
281:
and the subfamily
Chaetomyinae. It was officially described in 1818, but rarely sighted since, until December 1986, when two specimens - one a pregnant female - were found in the vicinity of Valencia in
672:
Patterson, B. and A. E. Wood. 1982. Rodents from the
Deseadan Oligocene of Bolivia and the relationships of the Caviomorpha. Bulletin of the Museum of Comparative Zoology, 149:371-543.
310:
Bristle-spined rats are named because the spines on the back are more bristle-like in texture than the spines on the rest of the body. They have long, naked tails which are not
1175:
1240:
719:
534:
Srbek-Araujo, A.C.; A.d.C. Alvarenga; A.T. Bertoldi (2018). "Do we underestimate the impact of roads on arboreal animals? Roadkill as an important threat to
380:
argue that it belongs in
Erethizontidae. Emmons (2005) mentions the family Chaetomyidae without much further comment except to exclude it from Echimyidae.
1291:
1149:
631:
Carvalho, G. A. S. and L. O. Salles. 2004. Relationships among extant and fossil echimyids. Zoological
Journal of the Linnean Society, 142:445-477.
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is more closely related to the
Erethizontidae than to the Echimyidae, although it branches as the sister group to the rest of the Erethizontidae.
231:
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485:
669:
Patterson, B. and R. Pascual. 1968. New echimyid rodents from the
Oligoceneof Patagonia, and a synopsis of the family. Brevioria, 301:1-14.
331:
675:
Woods, C. A. 1982. The history and classification of the South
American hystricognath rodents: Reflections on the far away and long ago.
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642:(Rodentia: Caviomorpha) based on evidence from the incisor enamel microstructure. Journal of Mammalian Evolution, 2:117-131.
891:
867:
666:. pp. 75–96 in Neotropical Mammalogy (K. H. Redford and J. F. Eisenberg, eds.). Sandhill Crane Press, Gainesville.
662:
Patton, J. L. and O. A. Reig. 1989. Genetic differentiation among echimyid rodents, with emphasis on spiny rats, genus
1227:
1100:
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has more highly developed spines than the spiny rats, but less developed than the porcupines. Characteristics of the
851:
628:(Olfers, 1818) (Hystricognathi, Rodentia) and its taxonomic implications. Zeitschrift für Säugetierkunde, 65:187-190.
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Nowak, R. M. 1999. Walker's Mammals of the World, Vol. 2. Johns Hopkins University Press, London.
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65:
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Vilela, R.V.; Machado, T.; Ventura, K.; Fagundes, V.; Silva, M.J.; Yonenaga-Yassuda, Y. (2009).
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Catzeflis, F.; Patton, J.; Percequillo, A.; Bonvicino, C.R.; Weksler, M. (2017).
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286:. Since then it has been recorded at several localities in eastern Brazil, from
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suggest that it belongs with the Echimyidae, but characteristics of the
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Mammal Species of the World: A Taxonomic and Geographic Reference
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568:"The taxonomic status of the endangered thin-spined porcupine,
511:
Lost Ark: New and Rediscovered Animals of the Twentieth Century
480:(3rd ed.). Johns Hopkins University Press. p. 1546.
342:
No consensus has been reached as to the taxonomic position of
298:), but it remains rare and threatened due to habitat loss,
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Patton). University of California Publications in Zoology.
624:
Carvalho, 2000. Substitution of the deciduous premolar in
314:. Adult animals weigh around 1.3 kg (2.9 lb).
572:(Olfers, 1818), based on molecular and karyologic data"
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649:Columbia University Press, New York, 631 pp.
647:Classification of Mammals Above the Species Level.
638:Martin, T. 1994. On the systematic position of
376:suggest that it belongs in the Erethizontidae.
645:McKenna, Malcolm C., and Bell, Susan K. 1997.
713:
445:10.2305/IUCN.UK.2017-2.RLTS.T4366A22213335.en
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513:. HarperCollins Publishers. pp. 89–90.
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361:with hairs modified as spines or quills.
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466:Woods, C.A.; Kilpatrick, C.W. (2005).
326:. It is classified as vulnerable by
7:
509:Karl Shuker; Gerald Durrell (1993).
860:Black-tailed hairy dwarf porcupine
431:IUCN Red List of Threatened Species
350:or with the spiny rats the family
294:(there are no recent records from
25:
939:Paraguaian hairy dwarf porcupine
1292:IUCN Red List vulnerable species
852:Amazonian long-tailed porcupine
677:Pymatuning Laboratory of Ecology
399:evidence actually suggests that
84:
679:Special Publication, 6:377-392.
1322:Taxa named by Ignaz von Olfers
892:Frosted hairy dwarf porcupine
868:Mexican hairy dwarf porcupine
1:
690:Animal Diversity Web page on
1312:Fauna of the Atlantic Forest
947:Brown hairy dwarf porcupine
908:Roosmalen's dwarf porcupine
828:Bicolored-spined porcupine
468:"Infraorder Hystricognathi"
1338:
1317:Mammals described in 1818
1307:Endemic mammals of Brazil
1021:
970:North American porcupine
836:Streaked dwarf porcupine
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728:Extant species of family
229:
210:
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81:Scientific classification
79:
57:
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39:
34:
576:BMC Evolutionary Biology
264:bristle-spined porcupine
1008:(Chaetomys subspinosus)
916:Stump-tailed porcupine
910:(Coendou roosmalenorum)
854:(Coendou longicaudatus)
538:(Mammalia: Rodentia)".
926:(Coendou sanctamartae)
924:Santa Marta porcupine
876:Black dwarf porcupine
822:(Coendou baturitensis)
732:(New World porcupines)
589:10.1186/1471-2148-9-29
474:; Reeder, D.M (eds.).
1093:Chaetomys_subspinosus
1079:Chaetomys subspinosus
1049:Chaetomys subspinosus
886:(Coendou prehensilis)
640:Chaetomys subspinosus
626:Chaetomys subspinosus
570:Chaetomys subspinosus
536:Chaetomys subspinosus
424:Chaetomys subspinosus
338:Taxonomic controversy
268:thin-spined porcupine
262:. Also known as the
247:Chaetomys subspinosus
214:Chaetomys subspinosus
972:(Erethizon dorsatum)
884:Brazilian porcupine
878:(Coendou nycthemera)
846:(Coendou insidiosus)
438:: e.T4366A22213335.
1006:Bristle-spined rat
918:(Coendou rufescens)
894:(Coendou pruinosus)
870:(Coendou mexicanus)
862:(Coendou melanurus)
820:Baturite porcupine
196:C. subspinosus
51:Conservation status
35:Bristle-spined rat
949:(Coendou vestitus)
941:(Coendou spinosus)
838:(Coendou ichillus)
808:(Prehensile-tailed
330:and endangered by
242:bristle-spined rat
1302:Rodents of Brazil
1279:
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1254:Open Tree of Life
1041:Taxon identifiers
1032:
1031:
1017:
1016:
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902:(Coendou quichua)
900:Andean porcupine
830:(Coendou bicolor)
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487:978-0-8018-8221-0
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472:Wilson, D.E.
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449:. Retrieved
435:
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397:karyological
395:combined to
393:cytochrome b
383:A molecular
382:
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158:Chaetomyinae
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1163:iNaturalist
1073:Wikispecies
810:porcupines)
781:Caviomorpha
779:Parvorder:
556:Nowak, 1999
451:19 November
272:only member
258:in eastern
154:Subfamily:
1286:Categories
767:Suborder:
664:Proechimys
407:References
352:Echimyidae
324:extinction
312:prehensile
66:Vulnerable
997:Chaetomys
961:Erethizon
743:Kingdom:
692:Chaetomys
401:Chaetomys
385:phylogeny
363:Chaetomys
344:Chaetomys
318:rodents.
279:Chaetomys
190:Species:
176:Chaetomys
104:Kingdom:
98:Eukaryota
18:Chaetomys
1233:13400094
1181:11027807
1058:Wikidata
1025:Category
763:Rodentia
757:Mammalia
751:Chordata
749:Phylum:
745:Animalia
608:19192302
496:62265494
367:premolar
300:poaching
252:arboreal
250:) is an
144:Family:
138:Rodentia
128:Mammalia
118:Chordata
114:Phylum:
108:Animalia
94:Domain:
71:IUCN 3.1
1220:1001238
1155:2439749
1064:Q894229
801:Coendou
761:Order:
755:Class:
599:2646700
371:incisor
288:Sergipe
274:of the
224:, 1818)
171:Genus:
134:Order:
124:Class:
69: (
1269:106540
1266:uBio:
1259:463598
1246:480662
1194:584790
1142:326932
1126:ECOS:
1106:193621
653:
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582:: 29.
517:
494:
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374:enamel
260:Brazil
222:Olfers
184:, 1843
165:, 1897
163:Thomas
1176:IRMNG
1168:43995
470:. In
284:Bahia
276:genus
1241:NCBI
1207:4366
1202:IUCN
1189:ITIS
1150:GBIF
1129:1609
1119:TD52
1101:BOLD
651:ISBN
604:PMID
515:ISBN
492:OCLC
482:ISBN
453:2021
436:2017
332:USDI
328:IUCN
240:The
1228:MSW
1215:MDD
1137:EoL
1114:CoL
1088:ADW
594:PMC
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290:to
266:or
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73:)
20:)
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