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Paleontological Research
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Abstract
Abstract.
Little is known about the taxonomy of Paleocene ostracodes from ocean drilling sites. Herein, we report 14 ostracode species of the families Eucytheridae, Krithidae, Thaerocytheridae, Trachyleberididae, and Xestoleberididae from Cretaceous-Paleocene sediments at U1407 of Integrated Ocean Drilling Program Expedition 342 off Newfoundland, Northwestern Atlantic. We describe five trachyleberidid species new to science: Croninocythereis clavae sp. nov., Phacorhabdotus flabellicarinus sp. nov., Poseidonamicus norrisi sp. nov., Ryugucivis blumi sp. nov., and Trachyleberidea cronini sp. nov.
This research used samples provided by the Integrated Ocean Drilling Program. We are grateful to Megumi Saito-Kato (NMNS) and Harim Cha (SIO) for helping to register and deposit the specimens. We thank Michael Schudack (Freie Universität, Berlin) and Alan Lord (Senckenberg Research Institute and Natural History Museum, Frankfurt) for their kind help in collecting literature, and Gene Hunt (Smithsonian Institution National Museum of Natural History, Washington, D.C.) for his views about the taxonomy of Poseidonamicus. We would also like to express our thanks to Moriaki Yasuhara (University of Hong Kong) for his critical review and help in collecting literature, and Yasunari Shigeta (National Museum of Nature and Science, Tsukuba) and an anonymous reviewer for their critical reviews and useful comments. This study was financially supported by IODP Exp 342 After Cruise Research Program of Japan Agency for Marine-Earth Science and Technology.
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