, Volume 463, Issue 1, pp 13-22

First online:

A new lumbriculid genus and species from North America (Clitellata, Lumbriculidae)

  • Steven V. FendAffiliated withU.S. Geological Survey
  • , Daniel L. GustafsonAffiliated withMontana State University

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Secubelmis limpida n. sp., n. gen., is described from Montana, U.S.A. The monotypic genus resembles the lumbriculid genera Rhynchelmis and Tatriella in having atria in X, spermathecae in VIII, and semi-prosoporous male ducts. It differs from Tatriella in having paired atria and spermathecae, and from Rhynchelmis in having petiolate atria. The single prostate gland is unique within the Lumbriculidae. The new species appears to have a restricted range in the northern Rocky Mountains.

Clitellata Oligochaeta Lumbriculidae taxonomy description