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Magnolia Press, Zoosymposia, 1(19), p. 164-172, 2020

DOI: 10.11646/zoosymposia.19.1.17

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<p class="ZootaxaTitle"><strong>A new interstitial genus and species of Acrocirridae from Okinawa-jima Island, Japan</strong></p>

Journal article published in 2020 by Naoto Jimi ORCID, Shinta Fujimoto ORCID, Satoshi Imura ORCID
Distributing this paper is prohibited by the publisher
Distributing this paper is prohibited by the publisher

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Abstract

A new interstitial acrocirrid, Actaedrilus yanbarensis gen et. sp. nov., is described from Okinawa-jima Island, Japan. Individuals of the new genus and species were collected from the interstices of subtidal coarse sand (about 1 m depth). The new genus is comprised of the new species and A. polyonyx (Eliason, 1962) comb. nov. and it is characterized by the presence of two pairs of long branchiae, non-retractile head, minute body, and short club-shaped palps. We infer the phylogenetic position of A. yanbarensis gen. et sp. nov. within Acrocirridae using five gene markers (COI, 16S, 18S, 28S, Cyt B).