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Diversification of acorn worms (Hemichordata, Enteropneusta) revealed in the deep sea
Enteropneusts (phylum Hemichordata), although studied extensively because of their close relationship to chordates, have long been considered shallow-water, burrowing animals. The present paper moreExpand
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Description and Relationships of Chaetopterus pugaporcinus, an Unusual Pelagic Polychaete (Annelida, Chaetopteridae)
An extraordinary new species, Chaetopterus pugaporcinus, is described from eight specimens collected from deep mesopelagic waters off Monterey Bay, California, by remotely operated vehicles. AllExpand
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Relationships within the Munnopsidae (Crustacea, Isopoda, Asellota) based on three genes
The Munnopsidae are a diverse group of asellote isopods that are an important component of deep‐sea fauna. Morphologically‐based phylogenetic inference attempts have proven to be of limited use dueExpand
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Composition and structure of macrozooplankton and micronekton communities in the vicinity of free-drifting Antarctic icebergs
Abstract Recent warming in the Antarctic has led to increased production of icebergs; however, the ecological effects of icebergs on pelagic communities within the Southern Ocean have not beenExpand
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Multiple origins of pelagicism within Flabelligeridae (Annelida).
Most pelagic clades are believed to have originated from benthic ancestors and open water habitat is thought to have remained open to invasion throughout evolutionary history (Rigby and Milsom,Expand
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Seasonality and depth distribution of a mesopelagic foraminifer, Hastigerinella digitata, in Monterey Bay, California
We investigated the habitat depth and population dynamics of mesopelagic foraminifera in Monterey Bay, California, using 12 yr of video surveys and specimens from live collections. The water columnExpand
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Deep-Sea, Swimming Worms with Luminescent “Bombs”
Several species of deep-sea polychaete worms have been discovered that have a bizarre predator distraction mechanism. By using remotely operated vehicles, we found seven previously unknown species ofExpand
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Morphology of a new deep‐sea acorn worm (class Enteropneusta, phylum Hemichordata): A part‐time demersal drifter with externalized ovaries
Ten individuals of an enteropneust in the family Torquaratoridae were videotaped between 2,900 and 3,500 m in the Eastern Pacific—one drifting a few centimeters above the bottom, two exposed on theExpand
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An Externally Brooding Acorn Worm (Hemichordata, Enteropneusta, Torquaratoridae) from the Russian Arctic
A single specimen of a previously undescribed acorn worm in the family Torquaratoridae was trawled from a bottom depth of about 350 m in the Kara Sea (Russian Arctic). The new species is theExpand
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Near-field zooplankton, ice-face biota and proximal hydrography of free-drifting Antarctic icebergs
Abstract A small ROV was used to collect plankton, make video surveys and take hydrographic measurements in close proximity to six free-drifting, Antarctic icebergs. The icebergs studied ranged inExpand
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