Search Results - "Osborn, Karen J"

Morphological convergence and adaptation in cave and pelagic scale worms (Polynoidae, Annelida) by Gonzalez, Brett C., Martínez, Alejandro, Worsaae, Katrine, Osborn, Karen J.

“…Across Annelida, accessing the water column drives morphological and lifestyle modifications—yet in the primarily “benthic” scale worms, the ecological…”
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Nanostructures and Monolayers of Spheres Reduce Surface Reflections in Hyperiid Amphipods by Bagge, Laura E., Osborn, Karen J., Johnsen, Sönke

“…Transparent zooplankton and nekton are often nearly invisible when viewed under ambient light in the pelagic zone [1–3]. However, in this environment, where…”
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Distribution, associations and role in the biological carbon pump of Pyrosoma atlanticum (Tunicata, Thaliacea) off Cabo Verde, NE Atlantic by Stenvers, Vanessa I., Hauss, Helena, Osborn, Karen J., Neitzel, Philipp, Merten, Véronique, Scheer, Stella, Robison, Bruce H., Freitas, Rui, Hoving, Henk Jan T.

“…Gelatinous zooplankton are increasingly acknowledged to contribute significantly to the carbon cycle worldwide, yet many taxa within this diverse group remain…”
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A new computational model illuminates the extraordinary eyes of Phronima by Bagheri, Zahra M, Jessop, Anna-Lee, Partridge, Julian C, Osborn, Karen J, Hemmi, Jan M

“…Vision in the midwater of the open ocean requires animals to perform visual tasks quite unlike those of any other environment. These tasks consist of detecting…”
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Synonymization of two, monotypic black-coral-commensal scale worm genera, Antipathipolyeunoa Pettibone, 1991 and Parahololepidella Pettibone, 1969 (Polynoidae, Aphroditiformia) by Gonzalez, Brett C, Conde-Vela, Victor M, Osborn, Karen J

“…Parahololepidella Pettibone, 1969 is a polynoid genus commensal with the antipatharian genus Tanacetipathes Opresko, 2001. These scale worms are elongate with…”
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Loss of metagenesis and evolution of a parasitic life style in a group of open-ocean jellyfish by Bentlage, Bastian, Osborn, Karen J., Lindsay, Dhugal J., Hopcroft, Russell R., Raskoff, Kevin A., Collins, Allen G.

“…[Display omitted] •Phylogeny of Trachylina (Hydrozoa) – majority of deep sea jellyfish diversity.•Trachylines lost the “text-book” jellyfish life cycle twice…”
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A Unique Apposition Compound Eye in the Mesopelagic Hyperiid Amphipod Paraphronima gracilis by Baldwin Fergus, Jamie L., Johnsen, Sönke, Osborn, Karen J.

“…The mesopelagic habitat is a vast space that lacks physical landmarks and is structured by depth, light penetration, and horizontal currents. Solar…”
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Diversification of acorn worms (Hemichordata, Enteropneusta) revealed in the deep sea by Osborn, Karen J, Kuhnz, Linda A, Priede, Imants G, Urata, Makoto, Gebruk, Andrey V, Holland, Nicholas D

“…Enteropneusts (phylum Hemichordata), although studied extensively because of their close relationship to chordates, have long been considered shallow-water,…”
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Time-calibrated molecular phylogeny of pteropods by Burridge, Alice K, Hörnlein, Christine, Janssen, Arie W, Hughes, Martin, Bush, Stephanie L, Marlétaz, Ferdinand, Gasca, Rebeca, Pierrot-Bults, Annelies C, Michel, Ellinor, Todd, Jonathan A, Young, Jeremy R, Osborn, Karen J, Menken, Steph B J, Peijnenburg, Katja T C A

“…Pteropods are a widespread group of holoplanktonic gastropod molluscs and are uniquely suitable for study of long-term evolutionary processes in the open ocean…”
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Composition and metabolic potential of microbiomes associated with mesopelagic animals from Monterey Canyon by Breusing, Corinna, Osborn, Karen J, Girguis, Peter R, Reese, Aspen T

“…There is growing recognition that microbiomes play substantial roles in animal eco-physiology and evolution. To date, microbiome research has largely focused…”
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A new cave-dwelling genus and species of Nerillidae (Annelida) from the Ryukyu Islands, Japan by Worsaae, Katrine, Hansen, Malte J., Axelsen, Oscar, Kakui, Keiichi, Møller, Peter R., Osborn, Karen J., Martínez, Alejandro, Gonzalez, Brett C., Miyamoto, Norio, Fujita, Yoshihisa

“…A new genus and species of Nerillidae, Nipponerilla irabuensis gen. nov., sp. nov., is described from an anchialine cave in Shimoji Island, west of Irabu…”
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Anchialine biodiversity in the Turks and Caicos Islands: New discoveries and current faunal composition by Gonzalez, Brett, Martínez, Alejandro, Olesen, Jørgen, Truskey, Sarit, Ballou, Lauren, Allentoft-Larsen, Marc, Daniels, Joost, Heinerth, Paul, Parrish, Mark, Manco, Naqqi, Ward, Jon, Iliffe, Thomas, Osborn, Karen, Worsaae, Katrine

“…Lying at the southernmost point of the Lucayan Archipelago, the Turks and Caicos Islands are amongst the better studied localities for anchialine cave…”
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Seasonality and depth distribution of a mesopelagic foraminifer, Hastigerinella digitata, in Monterey Bay, California by Hull, Pincelli M., Osborn, Karen J., Norris, Richard D., Robison, Bruce H.

“…We investigated the habitat depth and population dynamics of mesopelagic foraminifera in Monterey Bay, California, using 12 yr of video surveys and specimens…”
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Sphaerodoridae (Annelida) of the deep Northwestern Atlantic, including remarkable new species of Euritmia and Sphaerephesia by Capa, María, Osborn, Karen J, Bakken, Torkild

“…Sphaerodoridae (Annelida) is a seeming uncommon and minimally diverse group of polychaetes in the northwestern Atlantic, with only seven species reported from…”
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Phylogenetics of Acrocirridae and Flabelligeridae (Cirratuliformia, Annelida) by Osborn, Karen J., Rouse, Greg W.

“…Osborn, K. J. & Rouse, G. W. (2010). Phylogenetics of Acrocirridae and Flabelligeridae (Cirratuliformia, Annelida). —Zoologica Scripta, 40, 204–219. When seven…”
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Metachronal Swimming with Flexible Legs: A Kinematics Analysis of the Midwater Polychaete Tomopteris by Daniels, Joost, Aoki, Nadège, Havassy, Josh, Katija, Kakani, Osborn, Karen J

“…Synopsis Aquatic animals have developed a wide array of adaptations specific to life underwater, many of which are related to moving in the water column…”
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Composition and structure of macrozooplankton and micronekton communities in the vicinity of free-drifting Antarctic icebergs by Kaufmann, Ronald S., Robison, Bruce H., Sherlock, Rob E., Reisenbichler, Kim R., Osborn, Karen J.

“…Recent warming in the Antarctic has led to increased production of icebergs; however, the ecological effects of icebergs on pelagic communities within the…”
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Functional differences between the extraordinary eyes of deep-sea hyperiid amphipods by Jessop, Anna-Lee, Bagheri, Zahra M, Partridge, Julian C, Osborn, Karen J, Hemmi, Jan M

“…The ocean's midwater is a uniquely challenging yet predictable and simple visual environment. The need to see without being seen in this dim, open habitat has…”
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Ultra-black Camouflage in Deep-Sea Fishes by Davis, Alexander L., Thomas, Kate N., Goetz, Freya E., Robison, Bruce H., Johnsen, Sönke, Osborn, Karen J.

“…At oceanic depths >200 m, there is little ambient sunlight, but bioluminescent organisms provide another light source that can reveal animals to visual…”
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A transcriptome-based phylogeny for Polynoidae (Annelida: Aphroditiformia) by Gonzalez, Brett C., González, Vanessa L., Martínez, Alejandro, Worsaae, Katrine, Osborn, Karen J.

“…[Display omitted] •Phylotranscriptomic analyses of Polynoidae recovered congruent clade topologies.•Lepidonotopodinae was recovered as a subgroup of…”
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