Proleptus obtusus Dujardin, 1845 (Nematoda: Physalopteridae) from the puffadder shyshark Haploblepharus edwardsii (Scyliorhinidae) from off South Africa
Language English Country Netherlands Media print
Document type Journal Article, Research Support, Non-U.S. Gov't
PubMed
12510161
DOI
10.1023/a:1021130825469
PII: 5091431
Knihovny.cz E-resources
- MeSH
- Nematoda classification isolation & purification ultrastructure MeSH
- Microscopy, Electron, Scanning MeSH
- Seawater parasitology MeSH
- Nematode Infections epidemiology veterinary MeSH
- Fish Diseases epidemiology parasitology MeSH
- Intestinal Diseases, Parasitic epidemiology veterinary MeSH
- Spiruroidea classification isolation & purification ultrastructure MeSH
- Sharks parasitology MeSH
- Animals MeSH
- Check Tag
- Male MeSH
- Female MeSH
- Animals MeSH
- Publication type
- Journal Article MeSH
- Research Support, Non-U.S. Gov't MeSH
- Geographicals
- South Africa MeSH
Specimens of the physalopterid nematode Proleptus obtusus Dujardin, 1845 collected from the intestine of the puffadder shyshark Haploblepharus edwardsii (Voigt) off De Hoop Nature Reserve, Cape Province, South Africa, made possible the redescription this little-known species. The SEM study of the cephalic end revealed the presence of circumoral denticles and some oral structures (lateral transverse mounds on the inner surface of pseudolabia, dorsolateral and ventrolateral band-like formations or lamellae surrounding the buccal cavity) not previously reported for any species of Proleptus. The shape of the tip of the right spicule is considered to be the only reliable feature for differentiating P. obtusus from the closely related P. acutus Dujardin, 1845. The finding of the former in H. edwardsii represents a new host record.
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