819. THE SECOND ADDITION TO THE SILURIAN TRILOBITE FAUNA OF YOKOKURA-YAMA, SHIKOKU, JAPAN

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  • 819. 四国横倉山のシルル紀三葉虫群への第2追加
  • 四国横倉山のシルル紀三葉虫群への第2追加〔英文〕
  • シコク ヨコクラサン ノ シルルキ サンヨウチュウグン ヘ ノ ダイ2 ツイカ

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Abstract

Nine species of trilobites including six new species and two new subspecies from Mt. Yokokura are described in this article. A new genus, Ichiyamella, is instituted on Ichiyamella subglobula, sp. nov. Besides this genus Japonoscutellum and Apolichas are indigenous to Japan or Eastern Asia. Some notes are given on the Scutelluidae, Meroperixinae, Illaenidae, Goldillaeninae, Sphaerexochinae, Dindymeninae and the Lichidae in addition to Sphaerexochus, Dindymene and Dicranopeltis and Dindymene (?) megacranidia.

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