A new species of Nemestheria (Crustacea, Conchostraca) from the Aioi Group (Cretaceous) of Okayama, Japan

Pei Ji Chen, Shigeyuki Suzuki

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Nemestheria aidaensis sp. nov. represents the first appearance in Japan of this genus, which is considered as the leading form of conchostracan fossils in nonmarine Cenomanian deposits and has a wide distribution. This new species is very similar to Nemestheria lineata Chang and Chen and Nemestheria robusta Zhang and Chen collected from the Qingshankou Formation of NE China. The results of both palaeontological researching and Fission-Track dating have shown that the Tsurukame Upper Formation of the Aioi Group might be Cenomanian in age.

Original languageEnglish
Pages (from-to)25-29
Number of pages5
JournalPaleontological Research
Volume2
Issue number1
Publication statusPublished - Apr 1998
Externally publishedYes

Fingerprint

Crustacea
Japan
new species
Cretaceous
fission track dating
fossils
fossil
China
distribution

Keywords

  • Aioi Group
  • Cenomanian
  • Conchostracans
  • Okayama

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Palaeontology

Cite this

A new species of Nemestheria (Crustacea, Conchostraca) from the Aioi Group (Cretaceous) of Okayama, Japan. / Chen, Pei Ji; Suzuki, Shigeyuki.

In: Paleontological Research, Vol. 2, No. 1, 04.1998, p. 25-29.

Research output: Contribution to journalArticle

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