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Osteolaemus

From Wikipedia, the free encyclopedia
Genus of crocodiles

Osteolaemus
Dwarf crocodile
Scientific classificationEdit this classification
Kingdom:Animalia
Phylum:Chordata
Class:Reptilia
Clade:Archosauria
Order:Crocodilia
Superfamily:Crocodyloidea
Family:Crocodylidae
Subfamily:Osteolaeminae
Genus:Osteolaemus
Cope, 1861
Type species
Osteolaemus tetraspis
Cope, 1861
Species

2, see text.

Osteolaemus is agenus ofcrocodiles.[1][2][3] They are small, secretive crocodiles that occur in wetlands of West and Middle Africa. They are commonly known as theAfrican dwarf crocodiles.[2] Unlike other crocodiles,Osteolaemus are strictlynocturnal.[3]

Species

[edit]

The following species are recognized as being valid.[1]

GenusOsteolaemusCope, 1861 – two species
Common nameScientific name and subspeciesRangeSize and ecologyIUCN status and estimated population
Congo dwarf crocodile

Osteolaemus osborni
Schmidt, 1919
Congo River basin of Central AfricaSize:

Habitat:

Diet:
dwarf crocodile, African dwarf crocodile, broad-snouted crocodile, bony crocodile

Osteolaemus tetraspis
(Cope, 1861)
West Africa and Ogooué River basin of Central Africa
Map of range
Size:

Habitat:

Diet:
 VU 



Nota bene: Abinomial authority in parentheses indicates that the species was originally described in a genus other thanOsteolaemus.

Molecular data suggest thatOsteolaemus tetraspis consists of two lineages that would warrant recognition as distinct species.[2]

References

[edit]
  1. ^abOsteolaemus at theReptarium.cz Reptile Database. Accessed 3 January 2023.
  2. ^abcEaton, Mitchell J.; Martin, Andrew; Thorbjarnarson, John & Amato, George (2009). "Species-level diversification of African dwarf crocodiles (genusOsteolaemus): A geographic and phylogenetic perspective".Molecular Phylogenetics and Evolution.50 (3):496–506.Bibcode:2009MolPE..50..496E.doi:10.1016/j.ympev.2008.11.009.PMID 19056500.
  3. ^abVitt, Laurie J. & Caldwell, Janalee P. (2014).Herpetology: An Introductory Biology of Amphibians and Reptiles (4th ed.). Academic Press. pp. 550–552.OCLC 839312807.
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
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