First record of the cirripede genus stramentum (thoracica, scalpelliformes) from the upper cretaceous of Japan

Shin Ichi Nomura, Haruyoshi Maeda, Shigeo Harada, Gengo Tanaka

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Abstract

The scalpelliform genus Stramentum is described from upper Turonian-Coniacian (Upper Cretaceous) strata in the Mikasa area, Hokkaido (Japan), documenting the first record of the genus from the north-west Pacific Realm. The single articulated skeleton, which is horizontally embedded in a dark grey laminated mudstone, is specifically indeterminate because capitular plates are missing. However, peduncular morphology resembles that of S. (S.) pulchellum (Sowerby Jr), which has been described from the Cenomanian-Turonian of Europe. The present record from Japan demonstrates that this cirripede genus had a wider geographic distribution than previously assumed during the youngest phase of its radiation.

Original languageEnglish
Pages (from-to)849-855
Number of pages7
JournalPalaeontology
Volume52
Issue number4
DOIs
Publication statusPublished - Aug 3 2009
Externally publishedYes

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All Science Journal Classification (ASJC) codes

  • Ecology, Evolution, Behavior and Systematics
  • Palaeontology

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