Xyala finneyae sp. n. (Nematoda: Xyalidae) from the intertidal region of the eastern Gulf of California, Mexico

Xyala finneyae sp. n. (Nematoda: Xyalidae) from the intertidal region of the eastern Gulf of... Nematology , 2010, Vol. 12(5), 673-680 Xyala finneyae sp. n. (Nematoda: Xyalidae) from the intertidal region of the eastern Gulf of California, Mexico Ian K I N G 1 , 2 , ∗ , Manuel M UNDO -O C A M P O 1 and Paul D E L EY 1 1 Department of Nematology, University of California, Riverside, CA 92521, USA 2 Department of Biology, University of California, Riverside, CA 92521, USA Received: 24 March 2009; revised: 22 October 2009 Accepted for publication: 22 October 2009 Summary – Xyala finneyae sp. n. from the intertidal zone in the northern Gulf of California, Mexico, is described using light and scanning electron microscopy. The new species is characterised by the first ring of cuticular crests being at least twice as long as the crests on the remaining annules, vulva at 70-76% of body length from anterior end, sexual dimorphism in amphid fovea size with females having a smaller amphidial opening. Xyala finneyae sp. n. is most similar to the type species, X. striata , and to X. oxybiotica . It differs from the former in having the first ring of crests markedly longer than all subsequent ones, in having http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Nematology Brill

Xyala finneyae sp. n. (Nematoda: Xyalidae) from the intertidal region of the eastern Gulf of California, Mexico

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Publisher
Brill
Copyright
© 2010 Koninklijke Brill NV, Leiden, The Netherlands
ISSN
1388-5545
eISSN
1568-5411
D.O.I.
10.1163/138855409X12571623969682
Publisher site
See Article on Publisher Site

Abstract

Nematology , 2010, Vol. 12(5), 673-680 Xyala finneyae sp. n. (Nematoda: Xyalidae) from the intertidal region of the eastern Gulf of California, Mexico Ian K I N G 1 , 2 , ∗ , Manuel M UNDO -O C A M P O 1 and Paul D E L EY 1 1 Department of Nematology, University of California, Riverside, CA 92521, USA 2 Department of Biology, University of California, Riverside, CA 92521, USA Received: 24 March 2009; revised: 22 October 2009 Accepted for publication: 22 October 2009 Summary – Xyala finneyae sp. n. from the intertidal zone in the northern Gulf of California, Mexico, is described using light and scanning electron microscopy. The new species is characterised by the first ring of cuticular crests being at least twice as long as the crests on the remaining annules, vulva at 70-76% of body length from anterior end, sexual dimorphism in amphid fovea size with females having a smaller amphidial opening. Xyala finneyae sp. n. is most similar to the type species, X. striata , and to X. oxybiotica . It differs from the former in having the first ring of crests markedly longer than all subsequent ones, in having

Journal

NematologyBrill

Published: Jan 1, 2010

Keywords: TAXONOMY; DESCRIPTION; MORPHOLOGY; MORPHOMETRICS; NEW SPECIES; SEM

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