Nephtys simoni Perkins, 1980

Ribeiro, Rannyele Passos, Alves, Paulo Ricardo, Almeida, Zafira da Silva de & Ruta, Christine, 2018, A new species of Paraonis and an annotated checklist of polychaetes from mangroves of the Brazilian Amazon Coast (Annelida, Paraonidae), ZooKeys 740, pp. 1-34 : 4-5

Nephtys simoni Perkins, 1980 Fig. 3

Type locality.

Hutchinson Island, Florida, USA (27°21.6'N, 80°13.2'W; original geolocation).

Material examined.

São Luís, 02°35'56"S, 44°21'11.8"W: one specimen, 23 April 2010 (NPM-Pol 868); four specimens, 21 October 2010 (NPM-Pol 869); one specimen, 27 January 2011 (NPM-Pol 870); four specimens, 27 January 2011 (NPM-Pol 871); one specimen, 6 September 2011 (NPM-Pol 872); one specimen, 18 December 2011 (NPM-Pol 873); complete and incomplete specimens. Caranguejos Island, 02°49'33.6"S, 44°28'51.1"W: 31 specimens, 20 October 2010 (NPM-Pol 874); 12 specimens, 17 March 2012 (NPM-Pol 455); six specimens, 5 September 2011 (NPM-Pol 875); complete and incomplete specimens.

Distribution.

Atlantic Ocean: Mediterranean Sea, USA, Mexico, Brazil (states of Pará, Maranhão, São Paulo, see Suppl. material 1).

Remarks.

First record for Maranhão. The specimens present the characters that define Nephtys simoni Perkis, 1980, such as interramal branchiae from the third chaetiger; proboscis with long middorsal and midventral subdistal papilla and 23 conical papilla distal, dorsal cirrus linked to pre-chaetal cirrus, short and finger-like lobes. Individuals that have one pair of eyespots and median reddish pigmentation in the prostomium were reported for juveniles by Perkins (1980). In this study, some specimens presented eyespots, but not the reddish pigmentation pattern. Specimens of N. simoni have been reported in estuarine areas as in the type locality ( Perkins 1980) and in Amazon mangroves ( Silva et al. 2011). In Brazil, the specimens recorded as Nephtys simoni in Paranaguá Bay, Paraná ( Lana 1986) are in fact Nephtys californiensis Hartman, 1938 ( Rizzo and Amaral 2007).