A New Species of the Genus Geoemyda (Chelonii: Geoemydidae) from the Upper Pleistocene of Tokunoshima Island, the Central Ryukyus, Japan

摘要: ABSTRACT Turtle fossils discovered from the putative Upper Pleistocene fissure-filling deposit on Tokunoshima Island of Amami Group is described as a new species, Geoemyda amamiensis (Chelonii: Geoemydidae). These include carapace exclusive peripherals and few other elements, fragments neural, costal, eight peripherals, an anterior half plastron, two epiplastra, incomplete right humerus. most resembles G. japonica, extant species endemic to three islands Okinawa Group, but distinguished latter by presence in dorsal view short projection entoplastron. seem have split each through vicariance within central Ryukyus.