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Petersen, H. Cecilie B.; Gonzalez, Brett C.; Martínez, Alejandro; Worsaae, Katrine. (2016). New species of Pisionidens (Sigalionidae, Annelida) from Akumal, México. Zootaxa. 4136(1): 165-173.
10.11646/zootaxa.4136.1.8 [view] [view]
Petersen, H. Cecilie B.; Gonzalez, Brett C.; Martínez, Alejandro; Worsaae, Katrine
New species of <em>Pisionidens </em>(Sigalionidae, Annelida) from Akumal, México
4136(1): 165-173
World Polychaeta Database (WPolyDb)
Pisionidens Aiyar & Alikuhni, 1943 is a genus of small scale-less annelids formerly belonging to the family ‘Pisionidae’, now synonymized with the scale worm family Sigalionidae. A new species from Akumal, México, Pisionidens ixazaluohae n. sp., is herein described, including a genetic barcode, and diagnosed by parapodia from segment 8, males having a continuous line of midventral pores, and the presence of a single copulatory segment without parapodia. The new species differs in morphology from the three previously described species, including P. indica (Aiyar & Alikuhni, 1940), representing the only other species previously reported from the Caribbean Sea and Gulf of Mexico. A comparative table with a summary of the main taxonomic characters of all described species of the genus, including information on distribution, is provided.
Caribbean region
Gulf of Mexico
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2016-07-04 22:45:58Z

Pisionidens Aiyar & Alikunhi, 1943 (identification resource)