Four New Species of the Genus Pallisentis (Quadrigyridae, Van Cleave, 1920) from Freshwater Fish in Uttar Pradesh, India

Aims Four new species of genus Pallisentis (Van Cleave, in Records Indian Mus 30:147–149, 1928 ) are described from the state of Uttar Pradesh, India, infecting freshwater fish. Methods The detailed morphology of all four species was studied using light and scanning electron microscopy. Results They...

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Bibliographic Details
Published in:Acta parasitologica 2019-03, Vol.64 (1), p.71-85
Main Authors: Gautam, Neelam Kumari, Misra, Pawan Kumar, Saxena, Anand Murai
Format: Article
Language:English
Subjects:
Acanthocephala - anatomy & histology
Acanthocephala - classification
Acanthocephala - isolation & purification
Acanthocephala - ultrastructure
Animal Systematics/Taxonomy/Biogeography
Animals
Biomedical and Life Sciences
Biomedicine
Cement
Channa punctata
Congeners
Ecology
Fish Diseases - parasitology
Fishes - parasitology
Fossils
Fresh Water
Freshwater fish
Helminthiasis, Animal - parasitology
Hooks
India
Medical Microbiology
Microbiology
Microscopy
Microscopy, Electron, Scanning
Morphology
New records
New species
Original Paper
Pallisentis
Parasitology
Proboscis
Scanning electron microscopy
Shells
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Summary:Aims Four new species of genus Pallisentis (Van Cleave, in Records Indian Mus 30:147–149, 1928 ) are described from the state of Uttar Pradesh, India, infecting freshwater fish. Methods The detailed morphology of all four species was studied using light and scanning electron microscopy. Results They are: Pallisentis lucknowensis n. sp. from Channa punctatus (Bloch 1785); Pallisentis amini n. sp. from Channa striatus (Bloch 1785); Pallisentis meyeri n. sp. from Channa punctatus (Bloch 1785); and Pallisentis unnaoensis n. sp. from Glossogobius giuris (Hamilton 1822). Conclusion All four Pallisentis spp. differed from other congeners because of the morphology of the proboscis hooks, size and shape of proboscis hooks, shapes, number and arrangement of trunk spine, size of cement gland, numbers of cement gland nuclei, lemnisci, size and position of testes, gonopore, etc. An updated key of genus Pallisentis of 33 species accepted as valid are provided. The present study extends the number of Pallisentis from 29 to 33 species.
ISSN:1230-2821
1896-1851
DOI:10.2478/s11686-018-00010-y