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

被引：25

作者：

Mah, Christopher ^{[1
,2
]}

Linse, Katrin ^{[3
]}

Copley, Jon ^{[4
]}

Marsh, Leigh ^{[4
]}

Rogers, Alex ^{[5
]}

Clague, David ^{[6
]}

Foltz, David ^{[2
]}

机构：

[1] Smithsonian Inst, Natl Museum Nat Hist, Dept Invertebrate Zool, Washington, DC 20013 USA

[2] Louisiana State Univ, Dept Biol Sci, Baton Rouge, LA 70803 USA

[3] British Antarctic Survey, Cambridge CB3 0ET, England

[4] Univ Southampton, Ocean & Earth Sci, Southampton SO14 3ZH, Hants, England

[5] Univ Oxford, Dept Zool, Oxford OX1 3PS, England

[6] Monterey Bay Aquarium Res Inst, Moss Landing, CA 95039 USA

来源：

ZOOLOGICAL JOURNAL OF THE LINNEAN SOCIETY | 2015年 / 174卷 / 01期

基金：

美国国家科学基金会;

关键词：

Antarctica; deep sea; forcipulatacea; hydrothermal vent; North Pacific; pedicellariae; OPHIUROID ECHINODERMATA; MOLECULAR PHYLOGENY; AXIAL SEAMOUNT; MORPHOLOGY; BIOLOGY; PEDICELLARIAE; COMMUNITIES; VALVATACEA; PREDATION; BEHAVIOR;

D O I：

10.1111/zoj.12229

中图分类号：

Q95 [动物学];

学科分类号：

071002 ;

摘要：

Based on a phylogenetic analysis of undescribed taxa within the Forcipulatacea, a new family of deep-sea forcipulatacean starfishes, Paulasteriidaefam.nov., is described from deep-sea settings. Paulasterias tylerigen.etsp.nov. was observed at recently documented hydrothermal vents on the East Scotia Ridge, Southern Ocean. A second species, Paulasterias mcclainigen.etsp.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.(c) 2015 The Linnean Society of London

引用

页码：93 / 113

页数：21

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