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Two new species of the genus Elzalia (Nematoda: Monhysterida: Xyalidae) from the Yellow Sea, China

Published online by Cambridge University Press:  25 August 2006

Y. Zhang  and
Z.N. Zhang
Y. Zhang
Affiliation:
College of Marine Life Sciences, Ocean University of China, 5, Yushan Road, Qingdao 266003, People's Republic of China
Z.N. Zhang
Affiliation:
College of Marine Life Sciences, Ocean University of China, 5, Yushan Road, Qingdao 266003, People's Republic of China
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Abstract

Two new species of free-living marine nematodes of the genus Elzalia, Elzalia gerlachi sp. nov. and Elzalia striatitenuis sp. nov. from the Yellow Sea, China, are described and illustrated. Elzalia gerlachi sp. nov. is characterized by relatively large body length (1540–1740 μm in males; 1510–1780 μm in females), spicules 135–160 μm (3.33–3.90 anal body diameter) and complex gubernaculum. Elzalia striatitenuis sp. nov. is characterized by rather small body size (560–660 μm in males; 570–630 μm in females), short cephalic setae 2.5 μm long (21.4–31.3% of head diameter), spicules 65–85 μm (4.06–4.67 anal body diameter) and relatively simple gubernaculum. The two new species can be distinguished from other species of the genus by length and structure of spicules and gubernaculum. Pictorial and tabular keys to the genus are given.

Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 86 , Issue 5 , October 2006 , pp. 1047 - 1056
Copyright
2006 Marine Biological Association of the United Kingdom

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