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A review of the genus Richtersia (Nematoda: Selachinematidae): new species from Golfo San José and Golfo San Matías, Chubut (Argentina)
Pastor de Ward, C.T.; Lo Russo, V. (2007). A review of the genus Richtersia (Nematoda: Selachinematidae): new species from Golfo San José and Golfo San Matías, Chubut (Argentina). J. Mar. Biol. Ass. U.K. 87(5): 1153-1160. dx.doi.org/10.1017/S0025315407056755
In: Journal of the Marine Biological Association of the United Kingdom. Cambridge University Press/Marine Biological Association of the United Kingdom: Plymouth. ISSN 0025-3154, more
Peer reviewed article

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Keyword
    Marine

Authors  Top 
  • Pastor de Ward, C.T.
  • Lo Russo, V.

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.

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