The Phylogenetic Position of Branchamphinome (Annelida, Amphinomidae) with a Description of a New Species from the North Pacific Ocean

Naoto Jimi; Natsumi Hookabe; Kenichiro Tani; Ryuta Yoshida; Satoshi Imura

doi:10.2108/zs210051

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9 September 2021 The Phylogenetic Position of Branchamphinome (Annelida, Amphinomidae) with a Description of a New Species from the North Pacific Ocean

Naoto Jimi, Natsumi Hookabe, Kenichiro Tani, Ryuta Yoshida, Satoshi Imura

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Zoological Science, 39(1):99-105 (2021). https://doi.org/10.2108/zs210051

Abstract

A new species of amphinomid polychaete, Branchamphinome kohtsukai sp. nov., is described from Japanese waters, 29–211 m in depth. The species is distinguishable from other congeners by the following features: i) branchiae with four–six filaments in midbody segments; ii) two pairs of eyes not coalescent; iii) the ventral side of the first four chaetigers broadly pigmented. This is the first record of Branchamphinome from the North Pacific Ocean. We provide a phylogenetic tree based on the sequences of four genes (COI, 16S, 18S, 28S) and discuss amphinomids' relationships.

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Naoto Jimi, Natsumi Hookabe, Kenichiro Tani, Ryuta Yoshida, and Satoshi Imura "The Phylogenetic Position of Branchamphinome (Annelida, Amphinomidae) with a Description of a New Species from the North Pacific Ocean," Zoological Science 39(1), 99-105, (9 September 2021). https://doi.org/10.2108/zs210051

Received: 18 May 2021; Accepted: 12 July 2021; Published: 9 September 2021

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