Three new Xyalidae species (Nematoda) from South Africa, with a redefinition of the genus Xyala Cobb, 1920

Vincx, M.; Furstenberg, J.P.

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Three new Xyalidae species (Nematoda) from South Africa, with a redefinition of the genus Xyala Cobb, 1920

Vincx, M.; Furstenberg, J.P. (1988). Three new Xyalidae species (Nematoda) from South Africa, with a redefinition of the genus Xyala Cobb, 1920. Cah. Biol. Mar. 29(4): 497-512

In: Cahiers de Biologie Marine. Station Biologique de Roscoff: Paris. ISSN 0007-9723; e-ISSN 2262-3094

Available in	Authors
VLIZ: Open access 286713 [ download pdf ]

Keywords

ANE, North Sea, Southern Bight
PSW, South Africa, Cape Prov., Algoa Bay
Taxa > Species > New taxa > New species
Nematoda [WoRMS]; Xyala Cobb, 1920 [WoRMS]; Xyala imparis Boucher & Helléouët, 1977 [WoRMS]; Xyalidae Chitwood, 1951 [WoRMS]
Algoa Bay [Marine Regions]; Southern Bight [Marine Regions]
Brackish water

Authors		Top
Vincx, M., more Furstenberg, J.P.

Abstract

Three new Xyalidae species are described from Algoa Bay, South Africa. Gonionchus africanus sp. n. is characterized by the anterior position of the amphid, absence of longitudinal cuticular ornamentation, the conical tail and the peculiar shape of the gubernaculum. Both Xyala aestuariensis sp.n. and Xyala psammonalis sp. n. have a heavily sclerotized buccal cavity and numerous (more than 40) longitudinal striae on the cuticular annules. Xyala imparis Boucher and Helleouet, 1977 and Xyala striata Cobb, 1920 are redescribed from the Southern Bight of the North Sea. Omicronema Cobb, 1920 is synonymized with Xyala Cobb, 1920 and the genus Xyala is redefined.

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