Chelus orinocensis, the Orinoco mata mata, is a species of freshwater turtle found in northern South America in the Orinoco, upper Rio Negro–Branco and Essequibo basins, and in Trinidad.[1] It was split off from the very similar Chelus fimbriata in 2020.[2]
^ abRhodin, Anders G.J.; Inverson, John B.; Roger, Bour; Fritz, Uwe; Georges, Arthur; Shaffer, H. Bradley; van Dijk, Peter Paul; et al. (Turtle Taxonomy Working Group) (2021). Rhodin A. G.J.; Iverson J.B.; van Dijk P.P.; Saumure R.A.; Buhlmann K.A.; Pritchard P.C.H.; Mittermeier R.A. (eds.). "Turtles of the world, 2021 update: Annotated checklist and atlas of taxonomy, synonymy, distribution, and conservation status (9th Ed.)". Chelonian Research Monographs. Conservation Biology of Freshwater Turtles and Tortoises: A Compilation Project of the IUCN/SSC Tortoise and Freshwater Turtle Specialist Group. 9 (8 ed.): 1–472. doi:10.3854/crm.8.checklist.atlas.v9.2021. ISBN 978-1-5323-5026-9.
^ abVargas-Ramírez, M.; Caballero, S.; Morales-Betancourt, M.A.; Lasso, C.A.; Amaya, L.; Gregorio Martínez, J.; das Neves Silva Viana, M.; Vogt, R.C.; Pires Farias, I.; Hrbek, T.; Campbell, P.D.; Fritz, U. (2020). "Genomic analyses reveal two species of the matamata (Testudines: Chelidae: Chelus spp.) and clarify their phylogeography". Molecular Phylogenetics and Evolution. 148: 106823. doi:10.1016/j.ympev.2020.106823. PMID 32278863.
and 21 Related for: Chelus orinocensis information
to a new species, Chelusorinocensis, with the Amazon population retaining the Chelus fimbriatus species designation. However, Chelus fimbriatus is absent...
assigned to a new species, Chelusorinocensis, with the Amazon population retaining the Chelus fimbriatus. However, Chelus fimbriatus is absent from the...
species: Chelus fimbriatus – Amazon mata mata Chelusorinocensis – Orinoco mata mata †Chelus colombianus – Columbian mata mata (Late Miocene) "Chelus Duméril...
paraguayensis), or between the Orinoco mata mata (Chelusorinocensis) and the Amazon mata mata (Chelus fimbriata). This was attributed by the authors to...
majority of the family Chelidae are omnivores, 17 species are carnivorous: Chelus fimbriatus and species of the Chelodina genus. This special strategy is...
stay submerged for long periods of time. The snake-necked species (genera Chelus, Chelodina, and Hydromedusa) are largely strike-and-gape hunters or foragers...
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