Salmonema Moravec, Santos & Brasil-Sato, 2008

Arai, Hisao P. & Smith, John W., 2016, Guide to the Parasites of Fishes of Canada Part V: Nematoda, Zootaxa 4185 (1), pp. 1-274 : 100

publication ID

https://doi.org/ 10.11646/zootaxa.4185.1.1

publication LSID

lsid:zoobank.org:pub:0D054EDD-9CDC-4D16-A8B2-F1EBBDAD6E09

DOI

https://doi.org/10.5281/zenodo.5626806

persistent identifier

https://treatment.plazi.org/id/038FB248-FFD2-FFD5-89B9-C73B24BA9D47

treatment provided by

Plazi

scientific name

Salmonema Moravec, Santos & Brasil-Sato, 2008
status

 

Salmonema Moravec, Santos & Brasil-Sato, 2008

Generic diagnosis (after Moravec et al. 2008). Cystidicolidae . Medium sized nematodes. Pseudolabia broad, flat; surface of each pseudolabium with small protuberance (pseudolabial protrusion). Mouth opening broad, somewhat dorso-ventrally elongated, demarcated by four narrow, unlobed sclerotized plates (sublabia). Four submedian cephalic papillae present. Vestibule elongated, dilated anteriorly (dorso-ventrally) to form funnel-shaped prostom. Deirids simple, small. Male with an area rugosa. Caudal alae in male well developed, supported by pedunculate papillae; four pairs of pre-cloacal papillae present. Spicules unequal and dissimilar. Female tail short. Uterus amphidelphic. Vulva in posterior half of body. Eggs elliptical, nonfilamented [sic], containing fully formed larva. Parasites of fresh-water fishes. Type species S. ephemeridarum (von Linstow, 1872) .

Comments: design of a key to distinguish Salmonema ephemeridarum from S. prevosti (synonym Metabronema prevosti ) would be fraught. Apart from the fact that S. prevosti males were inadequately described, and that neither males nor females were well illustrated (see below), there is the structure of the eggs. The foregoing generic diagnosis of Salmonema states that eggs are “nonfilamented” whilst Choquette’s (1951) original description refers to eggs bearing “coarse filaments at either poles which are provided with knobs”.

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