Citation: Midtgaard, Rune. RepFocus - A Survey of the Reptiles of the World. (www.repfocus.dk).
Latest update: December 31st, 2022.
 
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Genus
Osteolaemus
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Dwarf Crocodiles
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Stumpfkrokodile, Zwergkrokodile
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Dværgkrokodiller
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1861 |  |
Osteolaemus Cope (type species: Osteolaemus tetraspis Cope 1861) |
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1862 | |
Halcrosia Gray (type species: Crocodilus frontatus Murray 1862; syn. Wermuth & Mertens 1977) |
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1919 | |
Osteoblepharon Schmidt (type species: Osteoblepharon osborni Schmidt 1919; syn. Inger 1948; Wermuth & Mertens 1977) |
Contents:
2 species, none of which are endemic.
Endemism: 0%  100%
Remarks:
Eaton, Martin, Thorbjarnarson & Amato (2009) suggested that a third species may deserve recognition.
Distribution:
West and Central Africa.
Reported from:
Angola
(incl.
Cabinda),
Benin,
Burkina Faso,
Cameroon,
Central African Republic,
Congo-Brazzaville,
Congo-Kinshasa,
Equatorial Guinea
(Rio Muni),
Gabon,
Ghana,
Guinea,
Guinea-Bissau,
(incl.
Bijagos Archipelago),
Ivory Coast,
Liberia,
Mali,
Nigeria,
Senegal,
Sierra Leone,
Togo,
Uganda.
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Osteolaemus osborni
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Congo Dwarf Crocodile
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Kongo-Stumpfkrokodil
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Congolesisk Dværgkrokodille
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1919 | |
Osteoblepharon osborni Schmidt |
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Osteolaemus osborni Werner 1933 |
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Osteolaemus tetraspis osborni Wermuth 1953 |
Remarks:
Previously regarded as a subspecies of tetraspis (e.g., Wermuth & Mertens 1977).
Revalidated as a separate species by Eaton, Martin, Thorbjarnarson & Amato (2009).
Exact distribution boundaries between the two species are unclear.
Angolan records of tetraspis are tentatively assigned herein to osborni.
Distribution:
Angola
(incl.
Cabinda),
Congo-Brazzaville,
Congo-Kinshasa,
Uganda.
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Osteolaemus tetraspis
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West African Dwarf Crocodile, Broad-nosed Crocodile, Broad-fronted Crocodile
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Westafrikanisches Stumpfkrokodil
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Vestafrikansk Dværgkrokodille, Stumpkrokodille, Kortsnudet Krokodille
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1861 | |
Osteolaemus tetraspis Cope |
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1862 | |
Crocodilus frontatus Murray (Wermuth & Mertens 1977) |
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1867 | |
Halcrosia afzelii Lilljeborg (Wermuth & Mertens 1977) |
Remarks:
Previously included osborni.
May now be extinct in Gambia (Emms, Jambang, Bahl, Mankali, Paziaud & Barnett 2007) and in Uganda, where it has not been seen since the 1940's
(Spawls, Howell, Drewes & Ashe 2002).
Exact distribution boundaries between the two species are unclear.
Angolan records of tetraspis are tentatively assigned herein to osborni.
Extinct in:
Gambia.
Distribution:
Benin,
Burkina Faso,
Cameroon,
Central African Republic,
Congo-Brazzaville,
Equatorial Guinea
(Rio Muni),
Gabon,
Ghana,
Guinea,
Guinea-Bissau
(incl.
Bijagos Archipelago),
Ivory Coast,
Liberia,
Mali,
Nigeria,
Senegal,
Sierra Leone,
Togo.
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Osteolaemus tetraspis
© Rune Midtgaard
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