Type materials of the species of the Planorbidae (Mollusca, Gastropoda, Hygrophila) described by Shuichi Mori

Takumi Saito, Satoshi Chiba, Hiroshi Fukuda

Research output: Contribution to journalArticle

Abstract

The planorbid species that were described by Shuichi (Syuiti) Mori from Japan have long been enigmatic and their taxonomy has been highly confused. This situation is also an impediment to action for the conservation of Japanese planorbids which are one of the most threatened freshwater snail groups in the country. Based on our examination of Shuichi Mori’s collection stored in the Kyoto University Museum, type materials of the taxa described by him are re-illustrated and re-examined for the first time. Our examination suggested that Gyraulus amplificatus (Mori, 1938) is not a morphological form of Gyraulus biwaensis but a distinct species. Gyraulus pulcher (Mori, 1938) can be regarded as a junior synonym of Gyraulus chinensis.

Original languageEnglish
Pages (from-to)169-182
Number of pages14
JournalMolluscan Research
Volume40
Issue number2
DOIs
Publication statusPublished - 2020 Apr 2

Keywords

  • Gyraulus
  • Japan
  • Pulmonata
  • freshwater snail
  • redescription
  • taxonomy

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Animal Science and Zoology
  • Genetics

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