Palaeomedusa testa is an extinct species of thalassochelydian turtle from the Tithonian of the Late Jurassic (145.5 to 150.8 million years ago).J. Anquetin, C. Puntener, and W. G. Joyce. 2017. A review of the fossil record of turtles of the Clade Thalassochelydia. Bulletin of the Peabody Museum of Natural History 58(3):317-369 It was first described by the German palaeontologist Christian Erich Hermann von Meyer in 1860.F. A. Quenstedt. 1882. Handbuch der Petrefaktenkunde [Handbook of Fossils] viii-1239 It is the only species classified under the genus Palaeomedusa.
See also Thalassemys
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