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Yamaguchia toyensis n. sp., n. gen. (Annelida, Clitellata, Lumbriculidae) from profundal Lake habitat in Japan.

Authors
  • Fend, Steven V
  • Ohtaka, Akifumi
Type
Published Article
Journal
ZOOLOGICAL SCIENCE
Publisher
BioOne (Zoological Society of Japan)
Publication Date
Jun 01, 2004
Volume
21
Issue
6
Pages
677–683
Identifiers
PMID: 15226590
Source
Medline
License
Unknown

Abstract

Yamaguchia toyensis n. sp., n. gen. is described from an oligotrophic caldera lake, Lake Toya, Hokkaido, Japan. Although the taxonomic affinities are unknown, the genus differs from all other Lumbriculidae in having the combination of testes and atria in X, a single, prosoporous male funnel per atrium, and spermathecae in XI. Unlike other Japanese lakes that have thus far been surveyed, Lake Toya supports abundant populations of lumbriculids in the profundal benthos.

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