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A review of the genus Richtersia (Nematoda: Selachinematidae): new species from Golfo San José and Golfo San Matías, Chubut (Argentina)

Published online by Cambridge University Press:  18 October 2007

Catalina T. Pastor de Ward  and
Virginia Lo Russo
Catalina T. Pastor de Ward
Affiliation:
Centro Nacional Patagónico (CONICET), C.C. 128 (9120) Puerto Madryn, Chubut, Argentina
Virginia Lo Russo
Affiliation:
Centro Nacional Patagónico (CONICET), C.C. 128 (9120) Puerto Madryn, Chubut, Argentina
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Abstract

This article is a review of the genus Richtersia (Nematoda: Selachinematidae) with a key to species, genus diagnosis and lists of valid species. Two new Richtersia species from the Golfo San José and Golfo San Matías, Chubut province of Argentina are described: Richtersia bicornis sp. nov. is characterized by having two thorn structures after cuticular collar, and in total 32–40 longitudinal rows of spines arranged in eight groups in cervical region and precloacal spines similar in shape. Richtersia argentinae sp. nov. is characterized by the number of longitudinal rows of spines, amphid size and the precloacal spines configuration.

Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 87 , Issue 5 , October 2007 , pp. 1153 - 1160
Copyright
2007 Marine Biological Association of the United Kingdom

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