Two New Species of Hyalinoecia (Polychaeta, Onuphidae) from Deep Zones off New Caledonia (Southwest Pacific Ocean)
Author: Lechapt, Jean-Paul
Source: Bulletin of Marine Science, Volume 60, Number 2, March 1997 , pp. 306-312(7)
Abstract:Two new species belonging to onuphid genus Hyalinoecia were collected from bathyal and abyssal zones off New Caledonia in the southwest part of Pacific Ocean. Hyalinoecia abranchiata n. sp. is characterized by the lack of branchiae, a character seldom seen in the genus, and with a brown elongated ring on each posterior lateral antennae. H. bathyalis n. sp, with ovoid frontal palps, bifid acicular setae without hoods, branchiae from setigers 21–28 chiefly differs from H. tubicola longibranchiata McIntosh, 1885 in the lack of dark pigment spots, and from H. tubicola (Mülier, 1788) and H. artifex Verrill, 1880 in the shape of the acicular setae, Morphological differences and geographic and bathymetric distributions are shown by a comparison between the eight other known species of Hyalinoecia around the world and these two new species.
Document Type: Research Article
Publication date: March 1997
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