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Descriptions of Neorhadinorhynchus nudum (Cavisomidae) and Heterosentis paraholospinus N. SP. (Arhythmacanthidae) (Acanthocephala) From Fish Along the Pacific Coast of Vietnam, With Notes On Biogeography

Descriptions of Neorhadinorhynchus nudum (Cavisomidae) and Heterosentis paraholospinus N. SP.... AbstractTwo species of acanthocephalans are described from fishes caught along the Pacific coast off eastern Vietnam in 2016: (1) Neorhadinorhynchus nudum (Harada, 1938) Yamaguti, 1939 (Cavisomidae) from the frigate tuna Auxis thazard (Lacpde) (Scombridae) in Nha Trang, Pacific south Vietnam, and (2) Heterosentis paraholospinus n. sp. (Arhythmacanthidae) from 3 species of fish: the common ponyfish Leiognathus equulus (Forsskl) (Leiognathidae) and the torpedo scad Megalaspis cordyla (Linn.) (Carangidae) off Nha Trang and Binh Thun, respectively, and the yellowspotted ponyfish Nuchequula flavaxilla Kimura, Kimura, and Ikejima (Leiognathidae) at Quang Ninh in Pacific waters of Vietnam. Females of N. nudum are fully described for the first time in the Pacific Ocean. Heterosentis paraholospinus n. sp. is similar to Heterosentis holospinus Amin, Heckmann, and Ha, 2011, in having an unspined anterior trunk cone, nucleated pouch at the posterior end of the receptacle, and spines covering the entire trunk, but it differs in having a long cylindrical trunk, lemnisci much longer than the receptacle, more and different-sized proboscis hooks, and subterminal female gonopore. Biogeographical notes are discussed for both genera. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png The Journal of Parasitology Allen Press

Descriptions of Neorhadinorhynchus nudum (Cavisomidae) and Heterosentis paraholospinus N. SP. (Arhythmacanthidae) (Acanthocephala) From Fish Along the Pacific Coast of Vietnam, With Notes On Biogeography

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Publisher
Allen Press
Copyright
American Society of Parasitologists 2018
ISSN
0022-3395
eISSN
1937-2345
DOI
10.1645/17-176
Publisher site
See Article on Publisher Site

Abstract

AbstractTwo species of acanthocephalans are described from fishes caught along the Pacific coast off eastern Vietnam in 2016: (1) Neorhadinorhynchus nudum (Harada, 1938) Yamaguti, 1939 (Cavisomidae) from the frigate tuna Auxis thazard (Lacpde) (Scombridae) in Nha Trang, Pacific south Vietnam, and (2) Heterosentis paraholospinus n. sp. (Arhythmacanthidae) from 3 species of fish: the common ponyfish Leiognathus equulus (Forsskl) (Leiognathidae) and the torpedo scad Megalaspis cordyla (Linn.) (Carangidae) off Nha Trang and Binh Thun, respectively, and the yellowspotted ponyfish Nuchequula flavaxilla Kimura, Kimura, and Ikejima (Leiognathidae) at Quang Ninh in Pacific waters of Vietnam. Females of N. nudum are fully described for the first time in the Pacific Ocean. Heterosentis paraholospinus n. sp. is similar to Heterosentis holospinus Amin, Heckmann, and Ha, 2011, in having an unspined anterior trunk cone, nucleated pouch at the posterior end of the receptacle, and spines covering the entire trunk, but it differs in having a long cylindrical trunk, lemnisci much longer than the receptacle, more and different-sized proboscis hooks, and subterminal female gonopore. Biogeographical notes are discussed for both genera.

Journal

The Journal of ParasitologyAllen Press

Published: Oct 28, 2018

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