Cucullanus Mueller 1777

Cucullanus Mueller, 1777 Synonym: Indocucullanus Ali, 1956 Generic diagnosis (after Berland 1970, and Moravec 2013). Cucullanidae. Mouth opening perpendicular to body axis or slightly inclined dorsally, and supported by peribuccal cuticularized frame to which are joined some cuticularized pieces ins...

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Bibliographic Details
Main Authors: Arai, Hisao P., Smith, John W.
Format: Text
Language:unknown
Published: Zenodo 2016
Subjects:
Biodiversity
Taxonomy
Animalia
Nematoda
Secernentea
Ascaridida
Cucullanidae
Cucullanus
Canada
Mueller
Sockeye
Pink salmon
Online Access:https://dx.doi.org/10.5281/zenodo.5626970
https://zenodo.org/record/5626970
Description
Summary:Cucullanus Mueller, 1777 Synonym: Indocucullanus Ali, 1956 Generic diagnosis (after Berland 1970, and Moravec 2013). Cucullanidae. Mouth opening perpendicular to body axis or slightly inclined dorsally, and supported by peribuccal cuticularized frame to which are joined some cuticularized pieces inserted into adjacent oesophageal muscles. Lips and pseudolabia absent. External circle of eight cephalic papillae arranged in incompletely fused pairs; inner circle of six very small papillae near border of mouth opening. Amphids at level of external circle of papillae. Oesophagus undivided, expanded both anteriorly and posteriorly. Intestinal caecum absent. Pre-cloacal sucker of males lacking sclerotized rim. Caudal alae absent. Spicules equal. Gubernaculum present. Vulva near middle of body. Vagina directed anteriorly. Two ovaries. Oviparous, eggs thin-walled. : Published as part of Arai, Hisao P. & Smith, John W., 2016, Guide to the Parasites of Fishes of Canada Part V: Nematoda, pp. 1-274 in Zootaxa 4185 (1) on page 158, DOI: 10.11646/zootaxa.4185.1.1, http://zenodo.org/record/165530 : {"references": ["Margolis, L. (1956) Report on parasite studies of sockeye and pink salmon collected in 1955, with special reference to the utilization of parasites as a means of distinguishing between Asiatic and American stocks of salmon on the high seas \u0336 a progress report on work being carried out as part of F. R. B. ' s commitments to INPFC. Fisheries Research Board of Canada Manuscript Report (Biology), No. 624, 36 pp.", "Berland, B. (1970) On the morphology of the head in four species of the Cucullanidae (Nematoda). Sarsia, 43, 15 - 64. http: // dx. doi. org / 10.1080 / 00364827.1970.10411168"]}

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