World Register of Deep-Sea species

Deep-Sea source details

Name

Jimi, Naoto; Fujimoto, Shinta; Imura, Satoshi. (2020). A new interstitial genus and species of Acrocirridae from Okinawa-jima Island, Japan [IPC13]. Zoosymposia. 19(1): 164-172.

SourceID

392212

DOI

10.11646/zoosymposia.19.1.17 [view]

Zoobank LSID

urn:lsid:zoobank.org:pub:A5917456-70B2-4B6C-A1A4-E41E3EF21B1F [view]

Authors

Jimi, Naoto; Fujimoto, Shinta; Imura, Satoshi

Year

2020

Title

A new interstitial genus and species of Acrocirridae from Okinawa-jima Island, Japan [IPC13]

Journal

Zoosymposia

Suffix

19(1): 164-172

Type

Publication

Link

https://www.mapress.com/j/zs/article/view/zoosymposia.19.1.17

Note

World Polychaeta Database (WPolyDb). Open access & ZooBank registered.

Full text

Available for editors

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).

Geographical term

Japan

Bibliographical term

Systematics, Taxonomy

Taxonomic terms

Annelida
Polychaeta

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Sessions

Date

action

2020-12-30 07:45:35Z

created

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Taxa (2)
Notes (4)

Actaedrilus Jimi, Fujimoto & Imura, 2020 (original description)
Actaedrilus polyonyx (Eliason, 1962) (new combination reference)

Diagnosis

for Actaedrilus Jimi, Fujimoto & Imura, 2020

Benthic Acrocirridae. Body cylindrical with 25 segments, minimum (< 3.4 mm in length). Prostomium heart shaped, without eyes. Cephalic hood absent, head non retractile. Peristomial palps short, club shaped, with bases separated by at least the width of the palps. Branchiae two pairs, present on segments 2 and 3. ... [details]

Etymology

for Actaedrilus Jimi, Fujimoto & Imura, 2020

authors: "The new genus-group name (masculine) derives from the Latin Acta (seashore) + Greek drilus (worm), ... [details]

Etymology

for Actaedrilus yanbarensis Jimi, Fujimoto & Imura, 2020

authors: Actaedrilus yanbarensis "is named after the type locality (yanbaru = north area of Okinawa-jima Island). [details]

Type locality

for Actaedrilus yanbarensis Jimi, Fujimoto & Imura, 2020

Akasaki Beach, Okinawa-jima Island, Japan, 26.819 N, 128.315 E, 1 m [details]