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Redefinition of Teneridrilus Holmquist (Oligochaeta: Tubificidae), with description of two new species from North America

Proceedings of the Biological Society of Washington

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Abstract

The tubificid genus Teneridrilus Holmquist, 1985 (subfamily Tubificinae) is redefined. The genus was originally monotypic for the type species, formerly classified as Ilyodrilus mastix Brinkhurst, 1978. The genus now includes Teneridrilus columbiensis, a new combination for Isochaetides columbiensis, and two new species. The first of these, Teneridrilus calvus, is described by Erseus and Brinkhurst, and the second, Teneridrilus flexus, by Erseus and Hiltunen. Synapomorphies for the genus are strongly modified chaetae in II and an enlarged eversible pharnyx. The genus is distributed from China to British Columbia, Washington and California in freshwater near the mouths of large rivers, and in the St. Marys River, which connects Lake Superior with Lakes Michgan and Huron.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Redefinition of Teneridrilus Holmquist (Oligochaeta: Tubificidae), with description of two new species from North America
Series title:
Proceedings of the Biological Society of Washington
Volume
103
Issue:
4
Year Published:
1990
Language:
English
Contributing office(s):
Great Lakes Science Center
Description:
p. 839-846
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Proceedings of the Biological Society of Washington
First page:
839
Last page:
846
Number of Pages:
7