First notice of the family Coleiidae Van Straelen (Crustacea: Decapoda: Eryonoidea) from the upper Triassic of Japan

HIROAKI KARASAWA; FUMIO TAKAHASHI; EIJI DOI; HIDEO ISHIDA

doi:10.2517/prpsj.7.357

Paleontological Research

Online ISSN : 1880-0068
Print ISSN : 1342-8144
ISSN-L : 1342-8144

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First notice of the family Coleiidae Van Straelen (Crustacea: Decapoda: Eryonoidea) from the upper Triassic of Japan

HIROAKI KARASAWA, FUMIO TAKAHASHI, EIJI DOI, HIDEO ISHIDA

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Keywords: Coleiidae, Crustacea, Decapoda, Japan, Mine Group, Triassic

JOURNAL FREE ACCESS

2003 Volume 7 Issue 4 Pages 357-362

DOI https://doi.org/10.2517/prpsj.7.357

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Abstract

Coleia uzume sp. nov., a lobster of the polychelidan family Coleiidae, is described from the upper Triassic (Carnian) Nakatsuka Formation of the Mine Group in Yamaguchi Prefecture, southwest Japan. The discovery of C. uzume greatly extends the geologic range for the genus back to the late Triassic. This species represents the first and oldest records of a Triassic decapod in the western Panthalassic realm.

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