Home - Taxonomy - Geography - Biodiversity - Literature - Purchase RepFocus Recent updates Citation: Midtgaard, Rune. RepFocus - A Survey of the Reptiles of the World. (www.repfocus.dk). Latest update: December 31st, 2022. Taxonomy of the family Alligatoridae Bibliography of the genus Melanosuchus Biodiversity of the family Alligatoridae Genus Melanosuchus Black Caiman Mohrenkaiman Sort Kaiman 1862 Melanosuchus Gray (type species: Caiman niger Spix 1825) Contents: 1 species, which is not endemic. Endemism: 0% 100% Distribution: As for the single species. Melanosuchus niger Black Caiman Mohrenkaiman Sort Kaiman 1825 Caiman niger Spix Melanosuchus niger Werner 1933 Distribution: Bolivia, Brazil (Acre, Amapa, Amazonas, Goias, Mato Grosso, Para [incl. Marajo Island], Rondonia, Roraima, Tocantins), Colombia, Ecuador, French Guiana, Guyana, Peru, Surinam.