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1 December 2006 THE OLDEST EUROPEAN PTYCHOGASTERID TURTLE (TESTUDINOIDEA) FROM THE LOWERMOST EOCENE AMBER LOCALITY OF LE QUESNOY (FRANCE, YPRESIAN, MP7)
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Abstract

A new species of freshwater Testudinoidea is described from the fossil locality of Le Quesnoy (Oise, France; Argiles à Lignites du Soissonnais, Lower Eocene, Ypresian, MP7). This taxon is the oldest representative of Ptychogasteridae known from Europe. This species is compared to the American representatives of the genus Echmatemys Hay, 1906, to three Ptychogasteridae from the Geiseltal Formation (Eocene, Germany; Geiselemys ptychogastroides [Hummel, 1935], “Geoemydasaxonica Hummel, 1935 and Hummelemys ambigua Hervet, 2004b), and to representatives of the Ptychogaster complex and to Clemmydopsis Boda, 1927. The phylogenetic relationships of this new taxon and of the other European Ptychogasteridae are studied.

SOPHIE HERVET "THE OLDEST EUROPEAN PTYCHOGASTERID TURTLE (TESTUDINOIDEA) FROM THE LOWERMOST EOCENE AMBER LOCALITY OF LE QUESNOY (FRANCE, YPRESIAN, MP7)," Journal of Vertebrate Paleontology 26(4), 839-848, (1 December 2006). https://doi.org/10.1671/0272-4634(2006)26[839:TOEPTT]2.0.CO;2
Accepted: 3 July 2006; Published: 1 December 2006
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