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1 April 2012 Additional Note on Earliest Cretaceous Entactinarians (Radiolaria) from the Mariana Trench
Rui-Qing Li, Katsuo Sashida
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Abstract

Extremely well preserved earliest Cretaceous radiolarians were recovered from a tuffaceous claystone sample collected from a seamount flank of the Mariana Trench's ocean-ward slope by the Japanese submersible “Shinkai 6500”. Several species and genera belonging to Entactinaria have been described previously by the present authors. This study is an addition to the continuing investigation of this fauna, and will introduce one new family Paracuboctostylidae belonging to Entactinaria. Two new genera, Paracuboctostylus and Neoshinkaiera, and four new species, P. tetrayurta, N. simplex, Shinkaiera pacifica and S. robusta, are described.

© by the Palaeontological Society of Japan
Rui-Qing Li and Katsuo Sashida "Additional Note on Earliest Cretaceous Entactinarians (Radiolaria) from the Mariana Trench," Paleontological Research 16(1), 26-36, (1 April 2012). https://doi.org/10.2517/1342-8144-16.1.026
Received: 1 February 2011; Accepted: 1 September 2011; Published: 1 April 2012
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KEYWORDS
earliest Cretaceous
Entactinaria
Mariana Trench
Radiolaria
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