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- Title
Validation of Christianella Guiart, 1931 (Cestoda: Trypanorhyncha) and its taxonomic relationship with Grillotia Guiart, 1927.
- Authors
Beveridge, I.; Campbell, R. A.
- Abstract
Christianella Guiart, 1931 (Cestoda: Trypanorhyncha) is redefined as a subgenus of Grillotia Guiart, 1927 based on the type-species, G. ( C.) minuta (van Beneden, 1849), from the elasmobranch Squatina squatina (Linnaeus). Grillotia smarisgora (Wagener, 1854) is treated as a synonym of G. ( C.) minuta, as are G. angeli Dollfus, 1969 and G. bothridiopunctata Dollfus, 1969. Other species included in the subgenus are G. ( C.) carvajalregorum Menoret & Ivanov, 2009 (formerly Progrillotia dollfusi Carvajal & Rego, 1983), G. ( C.) australis Beveridge & Campbell, 2001, G. ( C.) longispinis (Linton, 1890) n. comb. (formerly Rhynchobothrium longispine Linton, 1890) and G. ( C.) yuniariae Palm, 2004. The subgenus is similar to Grillotia Guiart, 1927 ( sensu stricto), having two bothria and an atypical heteroacanthous armature, but differs in having a single row of intercalary hooks, fewer, elongate segments with testes often in longitudinal columns, a distinctive basal armature, an internal seminal vesicle which extends beyond the cirrus or hermaphroditic sac and no uterine pore. The adults of three species are known, all parasitising members of Squatina Duméril.
- Subjects
TAPEWORMS; TRYPANORHYNCHA; GRILLOTIA; LACISTORHYNCHIDAE; CHONDRICHTHYES
- Publication
Systematic Parasitology, 2010, Vol 76, Issue 2, p111
- ISSN
0165-5752
- Publication type
Article
- DOI
10.1007/s11230-010-9239-x