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Polychaeta taxon detailsNephtys sachalinensis Alalykina & Dnestrovskaya, 2015
850660 (urn:lsid:marinespecies.org:taxname:850660)
accepted
Species
marine,
recent only
Alalykina, I. L.; Dnestrovskaya, N. Y. (2015). Nephtys sachalinensis sp. n. (Annelida: Nephtyidae): a new species from the upper sublittoral zone of northeastern Sakhalin Island, the Sea of Okhotsk. <em>Russian Journal of Marine Biology / Biologiya Morya.</em> 41(2): 127-135., available online at https://doi.org/10.1134/s1063074015020029
page(s): 128 [details]
Holotype ZMMU Pl970, geounit Sakhalin
Holotype ZMMU Pl970, geounit Sakhalin [details] From editor or global species database
Type locality Off NE Sakhalin Island coast, Sea of Okhotsk, 53.2633, 143.2528, 15 m [details]
Etymology Named 'sachalinensis from the collection locality off the northeast Sachalin Island, Sea of Okhotsk
Etymology Named 'sachalinensis from the collection locality off the northeast Sachalin Island, Sea of Okhotsk [details]
Read, G.; Fauchald, K. (Ed.) (2024). World Polychaeta Database. Nephtys sachalinensis Alalykina & Dnestrovskaya, 2015. Accessed at: https://marinespecies.org/polychaeta/aphia.php?p=taxdetails&id=850660 on 2024-04-18
Date action by
original description
Alalykina, I. L.; Dnestrovskaya, N. Y. (2015). Nephtys sachalinensis sp. n. (Annelida: Nephtyidae): a new species from the upper sublittoral zone of northeastern Sakhalin Island, the Sea of Okhotsk. <em>Russian Journal of Marine Biology / Biologiya Morya.</em> 41(2): 127-135., available online at https://doi.org/10.1134/s1063074015020029
page(s): 128 [details]  Present Inaccurate Introduced: alien Containing type locality
Holotype ZMMU Pl970, geounit Sakhalin [details]
From editor or global species database
Diagnosis Author diagnosis: "Prostomium rectangular with slightly convex anterior margin, antennae and palps arise near anterolateral angles of prostomium (Group II by Ohwada [37]). No eyespots visible. Terminal pharynx papillae: 20 bifid and 2 single. Subterminal pharynx papillae: no single median dorsal and ventral papillae; 22 rows of subterminal papillae, 4–5 papillae per row; median and proximal surface of pharynx covered with verrucae. Notopodial cirri from the first chaetiger continued back nearly to the end of the body, triangular at the anterior and subulate at the median and posterior chaetigers. Branchiae begin from the fourth chaetiger until the posterior end, without external basal process. Preacicular lobes of completely developed chaetigers simple, rounded and low. Acicular lobes distinctly bilobed from anterior chaetigers almost to the end of the body; each acicular lobe (both in noto and neuropodia) has one rounded outgrowth on its interramal side. Notopodial postacicular lobes at anterior chaetigers lingulate with round tips, more than two times longer than the acicular lobes; posteriorly obliquely rounded. Neuropodial postacicular lobes not more than two times longer than the acicular lobes at all chaetigers over the body; triangular elongated with rounded tips at medium chaetigers (also in large specimens at the anterior ones); posteriorly rounded. Slender pygidial cirrus about as long as last 6– 10 chaetigers. Preserved specimens light beige, living ones brown. Chaetae of two kinds: barred and chaetae with spines. Short barred chaetae are located in a preacicular row. The postacicular chaetae with spines are divided into spinose chaetae with “combs” and the chaetae with regular or irregular rows of spines. As well, there are the interramal bunches of chaetae with scattered fine denticles. Body length of the largest specimen: 108 mm, 112 chaetigers; width: 4–5 mm. [details]Etymology Named 'sachalinensis from the collection locality off the northeast Sachalin Island, Sea of Okhotsk [details] Type locality Off NE Sakhalin Island coast, Sea of Okhotsk, 53.2633, 143.2528, 15 m [details] |