Tanaka, M. (2019). Ikedosoma (Annelida: Echiura: Thalassematidae) from the tropical Pacific, with description of a new species. Species Diversity. 24(2): 267–273.

359658

10.12782/specdiv.24.267 [view]

Tanaka, M.

2019

24(2): 267–273

Publication

https://www.jstage.jst.go.jp/article/specdiv/24/2/24_240219/_article/-char/en

A new species of the thalassematid echiuran Ikedosoma abemama sp. nov. is described based on a single specimen collected from Abemama Atoll, the Gilbert Islands, Kiribati. The species is particularly distinguishable from all congeners by the absence of the proboscis lower lip. A single specimen of Ikedosoma collected from Dam Bay, Nha Trang, Vietnam is also described, being similar to the new species, although its poor condition prevented a positive identification. The first confirmed records of Ikedosoma from the tropical Pacific Ocean are included (hitherto known only from temperate waters of Japan), in addition to a summary table of diagnostic characteristics and a dichotomous key to the species of Ikedosoma.

Tropical Pacific

Burrowers
Systematics, Taxonomy

Annelida
Echiura

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