Two new species of Pseudochristianella Campbell & Beveridge, 1990 (Cestoda&COLFAML; Trypanorhyncha) from Elasmobranch fishes from the Gulf of California, Mexico

被引:11
|
作者
Campbell, R. A.
Beveridge, I. [2 ]
机构
[1] Univ Massachusetts, Dept Biol, N Dartmouth, MA USA
[2] Univ Melbourne, Dept Vet Sci, Ctr Vet Clin, Werribee, Vic 3030, Australia
关键词
Pseudochristianella; Cestoda; trypanorhyncha; new species;
D O I
10.1051/parasite/2006134275
中图分类号
R38 [医学寄生虫学]; Q [生物科学];
学科分类号
07 ; 0710 ; 09 ; 100103 ;
摘要
Pseudcchristianello elegontissima so, nov. Cestoda: Trypanorhyncha is described from the spiral valves of the rays Dasyatis brevis Garman, 1880) and D. longus Garman, 1880), from the Gulf of California, Mexico. Also described is P. nudiscula sp. nov. from rays Rhinobatos productus Ayres, 1854, D. longus, Myliobatis longirostris Applegate & Fitch, 1964 and Zopteryx exasperato (Jordan & Gilbert, 1880) from the some location. The species ore distinguished from one another and from the only existing species within the genus, P. southweilli Campbell & Beveridge, 1990, by differences in the arrangement of bill-hooks on the external surface of the basal swelling of the tentacle and by the number of hooks in each row of the metabasasl armature.
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页码:275 / 281
页数:7
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