A new species of Perinereis (Polychaeta, Nereididae) from Florida, USA, with a key to all Perinereis from the American continent

De León, Jesús y Goethel, Carrie (2013) A new species of Perinereis (Polychaeta, Nereididae) from Florida, USA, with a key to all Perinereis from the American continent. ZooKeys, 312. pp. 1-11. ISSN 1313-2989

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Specimens belonging to a new species of Perinereis Kinberg, 1865 were collected from natural oyster reefs in an estuarine environment on Florida’s southwest coast. The genus Perinereis includes more than 70 species, of which, P. aibuhitensis (Grube, 1878), P. brevicirrata (Treadwell, 1920), P. camiguinoides (Augener, 1922), P. jascooki Gibbs, 1972, P. kuwaitensis Mohammad, 1970, P. singaporiensis (Grube, 1878), P. vancaurica (Ehlers, 1868) and the new species have two short bars on Area VI and notopodial dorsal ligules that are not greatly expanded. The most geographically close species is P. brevicirrata. The new species can be distinguished from P. brevicirrata by the absence of a notopodial prechaetal lobe, Area V with 3 cones in a triangle, and Area VII-VIII with two well-defined rows of 33 paragnaths, the basal row having longer paragnaths in relation to the distal ones. The new species resembles P. singaporiensis based on the absence of notopodial prechaetal lobe; however, the two species differ in some morphological characteristics such as tentacular cirri length, shape of dorsal notopodial ligules, and falciger blades. A key to all American species of Perinereis is included.

Tipo de elemento: Article
Palabras claves no controlados: Annelida, polychaetes, Nereididae, new species, taxonomy, Florida, Western Atlantic
Divisiones: Ciencias Biológicas
Usuario depositante: Lic. Josimar Pulido
Fecha del depósito: 26 Ago 2020 02:48
Última modificación: 14 Mayo 2021 02:36
URI: http://eprints.uanl.mx/id/eprint/14684

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