Mah, C.; Linse, K.; Copley, J.; Marsh, L.; Rogers, A.; Clague, D.; Foltz, D. (2015). Description of a new family, new genus, and two new species of deep-sea Forcipulatacea (Asteroidea), including the first known sea star from hydrothermal vent habitats. Zoological Journal of the Linnean Society. 174(1): 93-113.

197326

10.1111/zoj.12229 [view]

Mah, C.; Linse, K.; Copley, J.; Marsh, L.; Rogers, A.; Clague, D.; Foltz, D.

2015

174(1): 93-113

Publication

http://onlinelibrary.wiley.com/doi/10.1111/zoj.12229/abstract

Available for editors  

Based on a phylogenetic analysis of undescribed taxa within the Forcipulatacea, a new family of deep-sea forcipulatacean starfishes, Paulasteriidae fam. nov., is described from deep-sea settings. Paulasterias tyleri gen. et sp. nov. was observed at recently documented hydrothermal vents on the East Scotia Ridge, Southern Ocean. A second species, Paulasterias mcclaini gen. et sp. nov. was observed in deep-sea settings in the North Pacific, more distant from hydrothermal vents. Both species are multi-armed (with between six and eight arms), with a fleshy body wall, and a poorly developed or absent adoral carina. Here, we include discussions of pedicellariae morphology, feeding biology, and classification.

Antarctic
North Pacific

Abyssal, Deep-Sea
Hydrothermal vents, Cold seeps
Predators
Systematics, Taxonomy

Asteroidea

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