Sternaspis costata (Sendall, Kelly & Salazar-Vallejo, Sergio I. 2013)

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This page should be cited as follows (rationale):
Sendall, Kelly, Salazar-Vallejo, Sergio I. (2013) Revision of Sternaspis Otto, 1821 (Polychaeta, Sternaspidae). ZooKeys 286 : 29 – 32, doi. Versioned wiki page: 2014-07-17, version 62357, https://species-id.net/w/index.php?title=Sternaspis_costata_(Sendall,_Kelly_%26_Salazar-Vallejo,_Sergio_I._2013)&oldid=62357 , contributors (alphabetical order): PlaziBot.

Citation formats to copy and paste

BibTeX:

@article{Sendall2013ZooKeys286,
author = {Sendall, Kelly AND Salazar-Vallejo, Sergio I.},
journal = {ZooKeys},
publisher = {Pensoft Publishers},
title = {Revision of Sternaspis Otto, 1821 (Polychaeta, Sternaspidae)},
year = {2013},
volume = {286},
issue = {},
pages = {29 -- 32},
doi = {TODO},
url = {http://dx.doi.org/10.3897/zookeys.286.4438},
note = {Versioned wiki page: 2014-07-17, version 62357, https://species-id.net/w/index.php?title=Sternaspis_costata_(Sendall,_Kelly_%26_Salazar-Vallejo,_Sergio_I._2013)&oldid=62357 , contributors (alphabetical order): PlaziBot.}

}

RIS/ Endnote:

TY - JOUR
T1 - Revision of Sternaspis Otto, 1821 (Polychaeta, Sternaspidae)
A1 - Sendall, Kelly
A1 - Salazar-Vallejo, Sergio I.
Y1 - 2013
JF - ZooKeys
JA -
VL - 286
IS -
UR - http://dx.doi.org/TODO
SP - 29
EP - 32
PB - Pensoft Publishers
M1 - Versioned wiki page: 2014-07-17, version 62357, https://species-id.net/w/index.php?title=Sternaspis_costata_(Sendall,_Kelly_%26_Salazar-Vallejo,_Sergio_I._2013)&oldid=62357 , contributors (alphabetical order): PlaziBot.

M3 - doi:TODO

Wikipedia/ Citizendium:

<ref name="Sendall2013ZooKeys286">{{Citation
| author = Sendall, Kelly, Salazar-Vallejo, Sergio I.
| title = Revision of Sternaspis Otto, 1821 (Polychaeta, Sternaspidae)
| journal = ZooKeys
| year = 2013
| volume = 286
| issue =
| pages = 29 -- 32
| pmid =
| publisher = Pensoft Publishers
| doi = TODO
| url = http://dx.doi.org/10.3897/zookeys.286.4438
| pmc =
| accessdate = 2019-11-12

}} Versioned wiki page: 2014-07-17, version 62357, https://species-id.net/w/index.php?title=Sternaspis_costata_(Sendall,_Kelly_%26_Salazar-Vallejo,_Sergio_I._2013)&oldid=62357 , contributors (alphabetical order): PlaziBot.</ref>

See also the citation download page at the journal.


Taxonavigation

Ordo: Terebellida
Familia: Sternaspidae
Genus: Sternaspis

Name

Sternaspis costata Sendall, Kelly, 2013Wikispecies linkPensoft Profile

Description

Description. Neotype (CMNH ZW-120) with body colour creamy white to yellow-white, sometimes more grey, with first six segments lighter, becoming darker when dried out (Fig. 8A). Cuticle mostly with short filamentous papillae, somewhat longer on segments seven and eight. Rows of clustered filamentous papillae usually in two loosely arranged, lateral rows per segment, more noticeable on posterior segments dorsal to ventro-caudal shield. Body up to 22 mm long, 10 mm wide, about 29 segments. Prostomium small, hemispherical, slightly opalescent. Peristomium rounded, raised at mouth, with some papillae between mouth and prostomium. Mouth densely papillate, slightly oval, positioned halfway between prostomium and anterior edge of segment 2. First three chaetigers with 10 bronze, slightly falcate, introvert hooks with about another five smaller hooks ventral to larger hooks. Hooks widely separated (widely apposed), with subdistal dark areas. One pair of genital papillae protrude ventrally from intersegmental furrow between segments 7 and 8. Pre-shield region with 7 segments, with small fascicles of fine short capillary chaetae laterally in some specimens. Ventro-caudal shield dark orange, often covered with sediment; ribs and concentric lines visible; suture extended throughout the shield (Figs 1B, 8B-E). Anterior margins rounded; anterior depression shallow; anterior keels not exposed. Lateral margins rounded, expanded posteriorly. Fan slightly projected posteriorly, markedly notched medially. Marginal chaetal fascicles include 10 lateral ones, chaetae in a narrow oval arrangement, and five posterior fascicles in an offset linear arrangement; chaetae curving towards midline. Peg chaetae long, with a narrow base in cross section, emerge from cuticle almost at same level as margin of shield. Two additional groups of delicate chaetae between peg chaetae and first bundle of posterior shield chaetae. Branchiae numerous, coiled and protrude from two plates widely separated dorsally.

Distribution

Distribution. Southern Sakhalin Island (Russia), Japan, and the Philippines, 20-70 m depth. The record for estuarine environments in India (Southern 1921: 649-651, Pl. 20, fig. 5a, b) is questionable; the illustration resembles the species but there are some subtle differences. Therefore, we are doubtful about the distribution extending to estuarine waters in the Bay of Bengal.

Taxon Treatment

  • Sendall, Kelly; Salazar-Vallejo, Sergio I.; 2013: Revision of Sternaspis Otto, 1821 (Polychaeta, Sternaspidae) ZooKeys, 286: 29-32. doi
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