Overview

Brief Summary

Ecology

In polluted (sulphide rich and odorous) sediments and is especially associated with decaying materials such as bark and retting coir; the salinity at the collection localities ranged from 5–22 psu.
  • Magesh, Mathan; Kvist, Sebastian; Glasby, Chris. 2012. Description and phylogeny of Namalycastis jaya sp. n. (Polychaeta, Nereididae, Namanereidinae) from the southwest coast of India. Zookeys 238(0): 31-43   10.3897/zookeys.238.4014 External link.
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© WoRMS for SMEBD

Source: World Register of Marine Species

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Comprehensive Description

Description

 Holotype with body widest mid-anteriorly, tapering gradually anteriorly and posteriorly. Antennae small, distally subacute, aligned over mid-palps. Brown epidermal pigmentation present anterodorsally and posterodorsally.Prostomium triangular, deeply cleaved anteriorly. Longitudinal groove extending from tip to posterior part of prostomium,slightly indented laterally. Eyes 2 pairs, black, arranged obliquely, posterior pair considerably smaller. Posterodorsal tentacular cirri extending posteriorly to chaetiger 2. Jaws with 8 teeth, 4 subterminal and 4 ensheathed proximally.Acicular neuropodial ligule bilobed, superior lobe larger than inferior lobe. Dorsal cirri increasing in length posteriorly. Typically less than 4 sesquigomph spinigers in neuropodial supra-acicular fascicle in midbody. Notochaetae absent in all parapodia. Heterogomph chaetae with boss not lengthened. Supra-neuroacicular falcigers in chaetiger 10 with finely serrated blades, 9–12 teeth, approximately uniform in length. Sub-neuroacicular falcigers in chaetiger 10 with roughly serrated blades, about 20 teeth. Sub-neuroacicular spinigers in anterior region (up to segment 50) with blades finely serrated. Sub-neuroacicular spinigers in mid and posterior region (from about segment 70) with blades coarsely serrated proximally. Supra-neuroacicular spinigers in mid and posterior region with blades finely serrated. Pygidium with multi-incised rim, black with two lateral anal cirri.
Creative Commons Attribution 3.0 (CC BY 3.0)

© Mathan Magesh, Sebastian Kvist, Christopher J. Glasby

Source: ZooKeys

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Distribution

 Known only from the Thiruvananthapuram coast of southwest India (but see note below).
Creative Commons Attribution 3.0 (CC BY 3.0)

© Mathan Magesh, Sebastian Kvist, Christopher J. Glasby

Source: ZooKeys

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