On some frenulate species (Annelida: Polychaeta: Siboglinidae) from mud volcanoes in the Gulf of Cadiz (NE Atlantic)

Ana Hilário; Marina R. Cunha

doi:10.3989/scimar.2008.72n2361

Autores/as

Ana Hilário CESAM, Departamento de Biologia, Universidade de Aveiro
Marina R. Cunha CESAM, Departamento de Biologia, Universidade de Aveiro

DOI:

https://doi.org/10.3989/scimar.2008.72n2361

Palabras clave:

Siboglinidae, Frenulata, Pogonophora, volcán de fango, Golfo de Cádiz

Resumen

Las colecciones de Frenulata realizadas por el RV Professor Logachev en el Golfo de Cádiz en 2006 contienen dos especies nuevas, una perteneciente al género Spirobrachia, y la otra asignada a un género nuevo. Spirobrachia tripeira sp. nov. constituye la primera cita del género para el Atlántico norte; tiene un tubo muy rígido, recto y naranja; los tentáculos tienen pínnulas y se disponen en forma de corona espiralada y sin lofóforo. Bobmarleya gadensis n. gen. et n. sp. se caracteriza por su corona tentacular inusualmente larga compuesta por aproximadamente 40 tentáculos libres. Comparte muchas características con el género Oligobrachia, pero el elevado número y la longitud extrema de sus tentáculos, junto con una especial combinación de caracteres, justifica la designación de un género nuevo. Los especimenes de Lamellisabella denticulata Southward, 1978 recolectados durante la campaña M.S. Merian 03/01 constituyen la primera mención de esta especie para el Golfo de Cádiz.

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