Choloepus didactylus

(Linnaeus, 1758)

Linnaeus's Two-toed Sloth

Taxonomy

Subclass : Theria
Infraclass : Placentalia
Magnorder : Atlantogenata
Superorder : Xenarthra
Order : Pilosa
Suborder : Folivora
Family : Choloepodidae
Genus : Choloepus

Species status

Living
Found in the wild
Listed in MSW3 2005

Authority citation

Linnaeus, C. 1758-01-01. Systema Naturæ per Regna Tria Naturæ, Secundum Classes, Ordines, Genera, Species, cum Characteribus, Differentiis, Synonymis, Locis. Tomus I. Editio Decima, Reformata. Laurentii Salvii, Stockholm, 823 pp.

Authority publication link

https://www.biodiversitylibrary.org/page/25033827

Original name as described

Bradypus didactylus

Other common names

Linné's Two-toed Sloth · Southern Two-toed Sloth

Type locality

"in Zeylona." Corrected by O. Thomas in 1911 to Suriname.

Biogeographic realm

Neotropic

Country distribution

Colombia · Venezuela · Guyana · Suriname · French Guiana · Ecuador · Peru · Brazil

Taxonomy notes

moved from Megalonychidae to Choloepidae based on recent molecular data

Taxonomy notes citation

Delsuc, F., Kuch, M., Gibb, G. C., Karpinski, E., Hackenberger, D., Szpak, P., ... & Billet, G. (2019). Ancient mitogenomes reveal the evolutionary history and biogeography of sloths. Current Biology, 29(12), 2031-2042. · Presslee, S., Slater, G. J., Pujos, F., Forasiepi, A. M., Fischer, R., Molloy, K., ... & Scaglia, F. (2019). Palaeoproteomics resolves sloth relationships. Nature Ecology & Evolution, 3(7), 1121-1130.

IUCN Red List status

Least Concern

Species Permalink

https://www.mammaldiversity.org/taxon/1000433

Country distribution map

The map below provides a general overview. Most species inhabit only specific regions within countries. Hover over the highlighted regions to see the country name.

Names and synonyms

Present and past (if available) associated names to the species. Click on a name to view its details. If the list is long, scroll down to see more.

Choloepus florenciae

J. A. Allen, 1913

Family

Choloepodidae

Root name

florenciae

Validity status

synonym

Nomenclatural status

available

Type

AMNH M-33910

Type kind

holotype

Type specimen URI

http://portal.vertnet.org/o/amnh/mammals?id=urn-catalog-amnh-mammals-m-33910

Authority page

469

Authority page URI

https://www.biodiversitylibrary.org/page/26891359

Authority publication

Bulletin of the American Museum of Natural History

Name usages

Gardner (2005) (information at https://hesperomys.com/a/9680)

Choloepus napensis

Lönnberg, 1922

Family

Choloepodidae

Root name

napensis

Validity status

synonym

Nomenclatural status

available

Type kind

holotype

Authority page

18

Authority page URI

https://www.biodiversitylibrary.org/page/6413575

Authority publication

Arkiv för Zoologi

Name usages

Gardner (2005) (information at https://hesperomys.com/a/9680)

Cholœpus didactylus

Lesson, 1842

Family

Choloepodidae

Root name

didactylus

Validity status

synonym

Nomenclatural status

name_combination

Authority page

11

Authority publication

Paris

Name usages

  1. Lesson (1842:11) (information at https://hesperomys.com/a/36812)
  2. Corbet & Hill (1980:20) (information at https://hesperomys.com/a/63069)
  3. Honacki, Kinman & Koeppl (1982:53) (information at https://hesperomys.com/a/63071)
  4. Gardner (2005) (information at https://hesperomys.com/a/9680)
  5. O'Brien, Menninger & Nash (2006:83) (information at https://hesperomys.com/a/7321)
  6. Mammal Diversity Database (2018:ID #4777) (information at https://hesperomys.com/a/67336)
  7. Wilson & Mittermeier (2018:117) (information at https://hesperomys.com/a/57916)
  8. Mammal Diversity Database (2019:ID #4777) (information at https://hesperomys.com/a/67337)
  9. Mammal Diversity Database (2024, https://www.mammaldiversity.org/taxon/1000433) (information at https://hesperomys.com/a/67250)
  10. International Union for the Conservation of Nature (2024, https://www.iucnredlist.org/species/4777/210443323) (information at https://hesperomys.com/a/67246)

Choloepus hoffmanni florenciae

A. L. Gardner, 2005

Family

Choloepodidae

Root name

florenciae

Validity status

synonym

Nomenclatural status

name_combination

Authority publication

Baltimore

Name usages

Gardner (2005) (information at https://hesperomys.com/a/9680)

Bradypus didactylus

(Linnaeus, 1758)

Family

Choloepodidae

Root name

didactylus

Validity status

species

Nomenclatural status

available

Authority page

35

Authority page URI

https://www.biodiversitylibrary.org/page/25033827

Authority publication

Stockholm

Name usages

  1. Erxleben (1777:88, https://www.biodiversitylibrary.org/page/15872885) (information at https://hesperomys.com/a/36060)
  2. Cuvier (1797:145, https://www.biodiversitylibrary.org/page/11637227) (information at https://hesperomys.com/a/38531)
  3. Daudin (1802:172, https://www.biodiversitylibrary.org/page/42033422) (information at https://hesperomys.com/a/64044)
  4. Fischer (1814:ix, https://www.biodiversitylibrary.org/page/29130070) (information at https://hesperomys.com/a/12226)
  5. Illiger (1815:108, https://www.biodiversitylibrary.org/page/11080964) (information at https://hesperomys.com/a/38688)
  6. Lesson (1827:305, https://www.biodiversitylibrary.org/page/54207772) (information at https://hesperomys.com/a/36839)
  7. Smith (1842:296) (information at https://hesperomys.com/a/67141)

Bradypus Curi

(Link, 1795)

Family

Choloepodidae

Root name

curi

Validity status

synonym

Nomenclatural status

available

Authority page

68

Authority page URI

https://www.biodiversitylibrary.org/page/46272944

Authority publication

Rostock

Name usages

Gardner (2005) (information at https://hesperomys.com/a/9680)

Bradypus Unau

(Link, 1795)

Family

Choloepodidae

Root name

unau

Validity status

synonym

Nomenclatural status

available

Authority page

68

Authority page URI

https://www.biodiversitylibrary.org/page/46272944

Authority publication

Rostock

Name usages

Gardner (2005) (information at https://hesperomys.com/a/9680)

Bradypus kouri

(Daudin, 1802)

Family

Choloepodidae

Root name

kouri

Validity status

synonym

Nomenclatural status

available

Authority page

172

Authority page URI

https://www.biodiversitylibrary.org/page/42033422

Authority publication

Paris

Name usages

  1. Daudin (1802:172, https://www.biodiversitylibrary.org/page/42033422) (information at https://hesperomys.com/a/64044)
  2. Gardner (2005) (information at https://hesperomys.com/a/9680)

Choloepus brasiliensis

Fitzinger, 1871

Family

Choloepodidae

Root name

brasiliensis

Validity status

synonym

Nomenclatural status

available

Authority page

403

Authority page URI

https://www.biodiversitylibrary.org/page/36317520

Authority publication

Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften

Name usages

Gardner (2005) (information at https://hesperomys.com/a/9680)

Choloepus guianensis

Fitzinger, 1871

Family

Choloepodidae

Root name

guianensis

Validity status

synonym

Nomenclatural status

available

Authority page

399

Authority page URI

https://www.biodiversitylibrary.org/page/36317516

Authority publication

Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften

Name usages

Gardner (2005) (information at https://hesperomys.com/a/9680)

Choloepus didactylus Var. columbianus

J. E. Gray, 1871

Family

Choloepodidae

Root name

columbianus

Validity status

synonym

Nomenclatural status

available

Authority page

432

Authority page URI

https://www.biodiversitylibrary.org/page/28554290

Authority publication

Proceedings of the Zoological Society of London

Name usages

Gardner (2005) (information at https://hesperomys.com/a/9680)

Choloepus didaetylus

O. Thomas, 1893

Family

Choloepodidae

Root name

didaetylus

Validity status

synonym

Nomenclatural status

incorrectsubsequentspelling

Authority page

166

Authority publication

Journal of the Trinidad Field Naturalists' Club

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