Schwabe, E. (2021). First record of a potential philoblennid-polyplacophoran association with the description of Acanthopleuricola sirenkoi, new genus and new species (Crustacea, Copepoda). Spixiana. 44(2):145-158. Dec 2021.

425586

Schwabe, E

2021

44(2):145-158. Dec 2021

Publication

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Acanthopleuricola sirenkoi, a new genus and species of a mesoparasitic copepod, is described on specimens of both sexes and naupliar stages from the pallial cavity of its polyplacophoran host Acanthopleura gemmata (de Blainville, 1825). The new genus shows superficial similarities with chitonophilid copepods, but cannot group among them due to clear tagmosis in both sexes and a varying feeding strategy. Instead Acanthopleuricola gen. nov., is obviously more related to the philoblennid genus Nippoparasitus Uyeno, Ogasaka & Nagasawa, 2016 and represents probably the first record of a non-gastropod infection within this family. With the highly derived Nippoparasitus, the new genus shares a voluminous endosoma, but can clearly separate by an incorporated urosome and lacking of cephalic appendages in the female.

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