SEM image of specimens of Rhadinorhynchus oligospinosus Amin & Heckman, 2017 from Scomber japonicus and Trachurus murphyi from off the Pacific coast of Peru.
(A) The terminal genital appendage of a bursa surrounded by inner sensory discs. Note one of the two clefts to left.
(B) A larger magnification of one of the two genital clefts with a few sensory discs and part of the terminal genital appendage.
(C, D) The various sizes of the female genital orifice are shown with the larger one (D) occupying almost all the trunk diameter at that level; note prominent lips.
(E) Two ovarian balls and one mature egg (arrow) from the body cavity of one female specimen. Note comparative sizes.
(F) A fully developed egg. Note the lack of any characteristic features or fibrils.
Date
Source
(2017). "Rhadinorhynchus oligospinosus n. sp. (Acanthocephala, Rhadinorhynchidae) from mackerels in the Pacific Ocean off Peru and related rhadinorhynchids in the Pacific, with notes on metal analysis". Parasite24: 19. DOI:10.1051/parasite/2017022. ISSN1776-1042.
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