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Type: Journal article
Title: Branchotenthes octohamatus sp. n. (Monogenea : Hexabothriidae) from the gills of the southern fiddler ray, Trygonorrhina fasciata (Rhinobatidae) in South Australia: description of adult and larva
Author: Glennon, V.
Chisholm, L.
Whittington, I.
Citation: Folia Parasitologica, 2005; 52(3):223-230
Publisher: Folia Parasitologica
Issue Date: 2005
ISSN: 0015-5683
Statement of
Vanessa Glennon, Leslie A. Chisholm and Ian D. Whittington
Abstract: Branchotenthes octohamatus sp. n. (Monogenea: Hexabothriidae) is described from the gills of the southern fiddler ray, Trygonorrhina fasciata Müller et Henle (Elasmobranchii: Rhinobatidae), off Adelaide, South Australia. It is distinguished from the type species, Branchotenthes robinoverstreeti Bullard et Dippenaar, 2003, by producing eggs that are joined end to end forming a chain, in the morphology of the male copulatory organ that has a pronounced constriction in duct diameter between proximal and distal regions, the possession of a thin muscular layer surrounding the proximal part of the male copulatory organ and distal region of the vaginae, and by the absence of a raised process on the shaft of the hamulus. An amended generic diagnosis is provided and the reliability of sperm duct number as a generic character is discussed. The oncomiracidium of B. octohamatus is also described and is the first monogenean to be described with only eight hooklets in the larval haptor. This discovery of eight hooklets may be important for higher-level monogenean evolutionary hypotheses.
Keywords: Genitalia
Species Specificity
South Australia
Skates, Fish
Description: Copyright © 2006 Folia Parasitologica
DOI: 10.14411/fp.2005.030
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Appears in Collections:Aurora harvest 2
Earth and Environmental Sciences publications
Environment Institute publications

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