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Schizodiscus japonicus

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Journal Article

Middle to Late Pleistocene radiolarian biostratigraphy in the water-mixed region of the Kuroshio and Oyashio currents, northeastern margin of Japan (JAMSTEC Hole 902-C9001C)

Kenji M. Matsuzaki, Noritoshi Suzuki, Hiroshi Nishi, Reishi Takashima, Yumiko Kawate, Toyosaburo Sakaii
Published: 04 July 2014
Journal of Micropalaeontology (2014) 33 (2): 205–222.
DOI: https://doi.org/10.1144/jmpaleo2013-012
... species were determined to be novel and are described in the present study ( Amphisphaera tanzhiyuani sp. nov., Schizodiscus japonicus sp. nov. and Siphonosphaera ? paraphoros sp. nov.). Based on 17 radiolarian bioevents, including four datums which have been commonly used across a wide area of the North...
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View PDF for article title, Middle to Late Pleistocene radiolarian biostratigraphy in the water-mixed region of the Kuroshio and Oyashio currents, northeastern margin of Japan (JAMSTEC Hole 902-C9001C)
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figs 1–30. Spumellaria: 1–2, Tetrapyle octacantha Müller group, sample 902-C9001C, 1H-2, 50–56 and 16H-8, 62–68; 3, Phorticium polycladum Tan & Tchang, sample 902-C9001C, 16H-8, 62–68; 4, Phorticium pylonium Haeckel, sample 902-C9001C, 20H-3, 62–68; 5, Pylodiscus triangularis Haeckel, sample 902-C9001C, 1H-2, 50–56; 6–7, Larcopyle buetschlii Dreyer, sample 902-C9001C, 1H-2, 50–56 and 16H-8, 62–68; 8, Larcopyle cervicornis Haeckel, 11H-5, 45.5–54.5; 9, Tholomura plystyla (Chen) comb. nov. sample 902-C9001C, 1H-2, 50–56; 10, Lithelius nautiloides Popofsky, sample 902-C9001C, 10H-6, 45.5–54.5; 11, Spongoliva ellipsoides Popofsky, sample 902-C9001C, 1H-1, 29–30; 12, Amphirhopalum virchowii (Haeckel), sample 902-C9001C, 21H-4, 47–53; 13, Dictyocoryne profunda Ehrenberg, sample 902-C9001C, 22H-4, 47–53; 14, Dictyocoryne muelleri (Haeckel), sample 902-C9001C, 12H-4, 20.5–29.5; 15, Dictyocorine truncatum (Ehrenberg), sample 902-C9001C, 27H-6, 69–75; 16, Spongaster tetras Ehrenberg irregularis Nigrini, sample 902-C9001C, 1H-5, 30–36 ; 17, Stylochlamydium? venustum (Bailey), sample 902-C9001C, 22H-4, 47–53; 18, Heliodiscus cf. tunicatus O’Connor, sample 902-C9001C, 19H-6, 47–53; 19, Axoprunum aquilonium (Hays), sample 902-C9001C, 39H-5, 57–63 ; 20, Amphisphaera spumea (Dumitrica), sample 902-C9001C, 29H-4, 47–53; 21–24, Amphisphaera tanzhiyuani sp. nov., holotype, fig. 21, IGPS 111418, sample 902-C9001C, 29H-1, 47–53 and 29H-3, 47–53; 25, Spongodiscus helioides (Cleve), sample 902-C9001C, 1H-5, 30–36; 26. Schizodiscus sp. A, sample 902-C9001C, 10H-6, 45.5–54.5; 27–30, Schizodiscus japonicus sp. nov., holotype, fig. 30, IGPS 111419, sample 902-C9001C, 20H-3, 62–68.

figs 1–30. Spumellaria: 1–2 , Tetrapyle octacantha Müller group, sample...

Published: 04 July 2014
, sample 902-C9001C, 29H-1, 47–53 and 29H-3, 47–53; 25 , Spongodiscus helioides (Cleve), sample 902-C9001C, 1H-5, 30–36; 26 . Schizodiscus sp. A, sample 902-C9001C, 10H-6, 45.5–54.5; 27–30 , Schizodiscus japonicus sp. nov., holotype, fig. 30, IGPS 111419, sample 902-C9001C, 20H-3, 62–68.