Graff, Jason R.; Blake, James A.; Wishner, Karen F. (2008). A new species of Malacoceros (Polychaeta: Spionidae) from Kick'em Jenny, a hydrothermally active submarine volcano in the Lesser Antilles Arc. Journal of the Marine Biological Association of the UK. 88(05): 925-930.

141850

10.1017/s0025315408001884 [view]

Graff, Jason R.; Blake, James A.; Wishner, Karen F.

2008

88(05): 925-930

Publication

https://doi.org/10.1017/S0025315408001884

World Polychaeta Database (WPolyD)

Available for editors   [request]

A new spionid polychaete, Malacoceros jennicus, is described from the crater of a hydrothermally active submarine volcano near Grenada in the Caribbean, Lesser Antilles Arc region. The new species is characterized by having prominent lateral frontal horns on the prostomium, paired eye spots, neurosetae that include simple capillaries, inferior sabre setae, numerous bidentate hooded hooks, and a pygidium bearing four digitiform anal cirri surrounding the anus. Worms were collected in regions of diffuse venting with a suction sampler deployed on an ROV. Specimens representing a range of sizes including sexually mature and reproductive individuals containing eggs and sperm were found. Stable isotope analysis of ¹³C and ¹⁵N indicate mixed feeding on photosynthetic and hydrothermal vent source material.

Caribbean region

Hydrothermal vents, Cold seeps
Reproduction
Systematics, Taxonomy

Annelida
Polychaeta

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