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New species of Chaetonema (Nematoda, Anoplostomatidae) and Admirandus (Nematoda, Oncholaimidae) from Patagonia, Río Negro and Santa Cruz, Argentina

Published online by Cambridge University Press:  13 January 2016

Virginia Lo Russo ,
Gabriela Villares  and
Catalina T. Pastor de Ward
Virginia Lo Russo
Affiliation:
Centro Nacional Patagónico (CONICET), C.C. 128 (9120) Puerto Madryn, Chubut, Argentina
Gabriela Villares
Affiliation:
Centro Nacional Patagónico (CONICET), C.C. 128 (9120) Puerto Madryn, Chubut, Argentina
Catalina T. Pastor de Ward*
Affiliation:
Centro Nacional Patagónico (CONICET), C.C. 128 (9120) Puerto Madryn, Chubut, Argentina
*
Correspondence should be addressed to:C.T. Pastor de Ward, Centro Nacional Patagónico (CONICET). C.C. 128 (9120) Puerto Madryn, Chubut, Argentina email: pastor@cenpat-conicet.gob.ar
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Abstract

Two new species are described from the Patagonia coast of Argentina, South Atlantic, and written keys to both genera are given. Chaetonema patagonica sp. nov. can most easily be differentiated from the other four species of the genus by the amphid shape and by the absence of a precloacal organ. Admirandus sanjuliensis sp. nov. is characterized by position of the Demanian pores, one preanal and two postanal, the configuration of pre- and postcloacal papillae and setae and by having the shortest stoma in the genus.

Keywords

ChaetonematinaeAdoncholaiminaemarine NematodaPatagoniataxonomydescriptionsdichotomous keys
Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 96 , Issue 8 , December 2016 , pp. 1661 - 1669
Copyright
Copyright © Marine Biological Association of the United Kingdom 2016 

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