Middle Devonian auloporid corals from the Naidaijin Formation, Kumamoto Prefecture, Southwest Japan von Niko, Shuji

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Late Silurian halysitid corals from the Okanaro Group in Ehime Prefecture, Southwest Japan von Niko, Shuji

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Middle Devonian favositine corals from the Naidaijin Formation, Kumamoto Prefecture, Southwest Japan von Niko, Shuji

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Rectification of nomenclatural issues in papers on Paleozoic tabulate corals published in the Bulletin of the National Museum of Nature and Science, Series C, between 2018 and 2022... von Niko, Shuji, Badpa, Mahdi

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Rectification of nomenclatural issues in papers on Paleozoic tabulate corals published in the Bulletin of the National Museum of Nature and Science, Series C, between 2018 and 2022... von Niko, Shuji, Badpa, Mahdi, Ghaderi, Abbas, Ataei, Mohammad Reza

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The Kellwasser events in the Upper Devonian Frasnian to Famennian transition in the Toc Tat Formation, northern Vietnam von Komatsu, Toshifumi, Urakawa, Ryota, Inada, Toshitaka, Yamauchi, Kazuki, Maekawa, Takumi, Takashima, Reishi, Williams, Mark, Nguyen, Phong D., Doan, Hung D., Nguyen, Minh T., Niko, Shuji, Tanaka, Gengo, Yamaguchi, Tatsuhiko

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Isorthoceras wahlenbergi, a new Late Ordovician cephalopod from the Boda Limestone of Dalarna, Sweden von Niko, Shuji

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The First Diplobelid Coleoid from the Late Cretaceous (Turonian) of Hokkaido (Japan) von Fuchs, Dirk, Niko, Shuji

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Caneycycloceras, a New Brachycycloceratid Cephalopod Genus from the Early Carboniferous in Oklahoma, Midcontinent North America von Niko, Shuji, Mapes, Royal H.

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イラン北西部ジュルファ地域の中・上部ペルム系産床板サンゴ類（英文）

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Redescription and New Information on the Carboniferous Cephalopod Brachycycloceras normale Miller, Dunbar and Condra, 1933 von Niko, Shuji, Mapes, Royal H.

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Reevaluation of the Late Carboniferous Cephalopod, Brachycycloceras? Spectrum Hansman, 1965 from Texas, USA von Niko, Shuji, Mapes, Royal H.

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Redescription of the Ordovician cephalopod genus Centroonoceras Kobayashi, 1934 von Niko, Shuji

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Echigoceras sasakii, a new Middle Carboniferous nautilid from the Omi Limestone Group, Central Japan von NIKO, SHUJI

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Arcuatoceras, a New Genus of Nautiloid Cephalopods from the Early Carboniferous in the Midcontinent of North America von Niko, Shuji, Mapes, Royal H., Yacobucci, Margaret M.

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Trigonoceratid nautilids from the Early Carboniferous Imo Formation of Arkansas, Midcontinent North America von NIKO, SHUJI, MAPES, ROYAL H.

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A NEWLY HATCHED COILED NAUTILOID FROM THE PERMIAN OF ITALY von MAPES, ROYAL H, NIKO, SHUJI, FRYDA, JIRI, NÜTZEL, ALEX

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Revision of an Ordovician cephalopod Ormoceras yokoyamai (Kobayashi, 1927) von NIKO, SHUJI

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A new Early Carboniferous nautilid from the Caney Formation of Oklahoma, Central North America von Niko, Shuji, Mapes, Royal H.

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A new Permian species of Mooreoceras (Cephalopoda: Orthocerida) from northwestern Peninsular Malaysia von NIKO, Shuji, SONE, Masatoshi, LEMAN, Mohd Shafeea

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