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 Chelidae Bibliography of the genus Platemys Biodiversity of the family Chelidae Genus Platemys Twist-necked Turtle Rotkopf-Plattschildkröte Rødhovedet Halsvender 1830 Platemys Wagler (type species: Testudo platycephala Schneider 1792) Contents: 1 species, which is not endemic. Endemism: 0% 100% Remarks: Previously included Acanthochelys. Distribution: As for the single species. Platemys platycephala Twist-necked Turtle, Grooved Side-necked Turtle Rotkopf-Plattschildkröte Rødhovedet Halsvender 1792 Testudo platycephala Schneider Testudo planiceps s. platycephala Schoepff 1801 Platemys platycephala Boulenger 1889 1801 Testudo planiceps Schoepff (Fritz & Havas 2006) Emys planiceps Schweigger 1812 Hydraspis planiceps Bell 1828 Clemmys planiceps Ritgen 1828 Platemys planiceps Wagler 1830 Chelys planiceps Gray in Griffith 1831 1803 Testudo martinella Daudin (Fritz & Havas 2006) Emys martirella [lapsus] Schinz 1833 Platemys martinella Duméril & Bibron 1835 1812 Emys discolor Thunberg in Schweigger (Fritz & Havas 2006) Testudo dicolor [lapsus] Ekstrand 1823 Hydraspis discolor Fitzinger 1835 1824 Emys canaliculata Spix (Fritz & Havas 2006) Hydraspis canaliculata Bell 1828 Platemys canaliculata Wagler 1833 1831 Emys constricta Gray in Griffith (Fritz & Havas 2006) Hydraspis constricta Gray 1831 1984 Platemys platycephala melanonota Ernst Other common names: melanonota: Western Twist-necked Turtle, Black-backed Twist-necked Turtle platycephala: Eastern Twist-necked Turtle, Common Twist-necked Turtle Introduced to: USA (Florida). Distribution: Bolivia, Brazil (Acre, Amapa, Amazonas, Maranhao, Mato Grosso, Para [incl. Marajo Island], Rondonia, Roraima), Colombia, Ecuador, French Guiana, Guyana, Peru, Surinam, Venezuela. Platemys platycephala © Rune Midtgaard