Stocker, C. P.; Komatsu, T.; Tanaka, G.; Williams, M.; Siveter, D. J.; Bennett, C. E.; Wallis, S.; Oji, T.; Maekawa, T.; Okura, M.; Vandenbroucke, T. R. A. (2016). Carboniferous ostracods from central Honshu, Japan. Geological Magazine. 155(1): 98-108.

412759

10.1017/s0016756816000844 [view]

Stocker, C. P.; Komatsu, T.; Tanaka, G.; Williams, M.; Siveter, D. J.; Bennett, C. E.; Wallis, S.; Oji, T.; Maekawa, T.; Okura, M.; Vandenbroucke, T. R. A.

2016

155(1): 98-108

Publication

Available for editors   [request]

Silicified beyrichiocopid and podocopid ostracods from limestone nodules derived from the middle part of the Ichinotani Formation within the Hida Gaien Terrane of central Honshu Island, Japan, are associated with fusulinid foraminifera that indicate strata of the middle Moscovian (Pennsylvanian, Carboniferous). This is a rare record of ostracods from the Palaeozoic of Japan and the first systematic description of ostracods from the Carboniferous of the Hida Gaien Terrane. The fauna comprises six ostracod species (two new) assigned to the genera Amphissites, Kirkbya, Bairdia, Aechmina and Healdia, and additional material of possible cavellinids. The numerical dominance of ornamented beyrichiocopids such as Kirkbya and Amphissites, along with smaller numbers of smooth podocopids such as Bairdia, indicates an ‘Eifelian mega-assemblage’ ecotype (sensu G. Becker), that is typical of mid Palaeozoic shallow marine, high-energy environments in a fore-reef ecosystem

Japan

Paleontology, Fossils, Paleobiology
Systematics, Taxonomy

Ostracoda

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