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Varechaetadrilus fulleri (Oligochaeta: Tubificidae): New record and amendment of morphological description

Freshwater Invertebrate Biology

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Abstract

The tubificid worm Variechaetadrilus fulleri (Annelida: Oligochaeta) was described by Brinkhurst and Kathman (1983) from the Green River, Kentucky, the only locality from which the species has previously been reported. In 1982-84, a number of specimens of V. fulleri were found in the lower Mississippi River and in an adjacent oxbow lake (Eagle Lake), about 19 river kilometers northwest of Vicksburg, Mississippi. In the lake, the species was collected in the inshore 1-m depth zone but not at 1.6-m depths offshore, where the waters stratified thermally in July and August and the dissolved oxygen concentration sometimes fell to 0.5 mg/liter in the hypolimnion. The collection of sexually mature worms in the river in May 1982 and in Eagle Lake in January-February 1984 enabled us to describe anatomical details that refine the description of the species.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Varechaetadrilus fulleri (Oligochaeta: Tubificidae): New record and amendment of morphological description
Series title:
Freshwater Invertebrate Biology
Volume
4
Issue:
4
Year Published:
1985
Language:
English
Contributing office(s):
Great Lakes Science Center
Description:
p. 215-218
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Freshwater Invertebrate Biology
First page:
215
Last page:
218
Number of Pages:
3