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Osteolaemus osborni

From Wikipedia, the free encyclopedia
Species of reptile

Osteolaemus osborni
CITES Appendix I[1]
Scientific classificationEdit this classification
Kingdom:Animalia
Phylum:Chordata
Class:Reptilia
Clade:Archosauria
Order:Crocodilia
Superfamily:Crocodyloidea
Family:Crocodylidae
Genus:Osteolaemus
Species:
O. osborni
Binomial name
Osteolaemus osborni
Schmidt, 1919
Synonyms
  • Osteolaemus tetraspis osborni

Osteolaemus osborni, commonly known asOsborn's dwarf crocodile, is aspecies ofcrocodileendemic to theCongo Basin in Africa.

This species has had a somewhat convolutedtaxonomical history. It was first described asOsteoblepharon osborni bySchmidt in 1919, based on a fewspecimens from the UpperCongo River Basin in what is now theDemocratic Republic of Congo. However,Inger in a 1948 paper found the specimens wanting of characteristics that would justify a generic separation fromOsteolaemus and referred the specimens toOsteolaemus osborni. In 1961, it was reduced to subspecies rank,[2] but was revalidated to full species status in 2021.[3]

The Congo dwarf crocodile (O. osborni) is both the smallest crocodile and the smallestcrocodilian since it does not surpass 1.2 m (3.9 ft).[4]

Thegenus nameOsteolaemus means "bony throat", and is derived fromAncient Greek όστεον (ósteon), meaning "bone", and λαιμός (laimós), meaning "throat". The genus was named as such due to the osteoderms found among the scales in the neck and belly.

Thespecific epithetosborni is in honor ofAmericanpaleontologistHenry Fairfield Osborn.[5]

References

[edit]
  1. ^"Appendices | CITES".cites.org. Retrieved2022-01-14.
  2. ^Wermuth, H. & R. Mertens (1961).Schildkröten, Krokodile, Brückenechsen. Veb Gustav Fischer Verlag.
  3. ^Osteolaemus osborni at theReptarium.cz Reptile Database. Accessed 22 September 2021.
  4. ^Sprawls, S.; K. Howell; R. Drewes & J. Ashe (2002).A Field Guide to the Reptiles of East Africa. Academic. pp. 276–277.ISBN 978-0-12-656470-9.
  5. ^Beolens, Bo; Michael Watkins; Michael Grayson (2011).The Eponym Dictionary of Reptiles. Baltimore: Johns Hopkins University Press. xiii + 296 pp.ISBN 978-1-4214-0135-5. (Osteolaemus osborni, p. 196).
ExtantCrocodilian species
FamilyAlligatoridae(Alligators and caimans)
Alligatorinae
(Alligators)
Alligator
Caimaninae
(Caimans)
Caiman
Melanosuchus
Paleosuchus
FamilyCrocodylidae(True crocodiles)
Crocodylinae
Crocodylus
Osteolaeminae
Mecistops
Osteolaemus
Gavialis
Tomistoma
Osteolaemus osborni


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