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Karen Osborn
Research Zoologist and Curator of Annelids and PeracaridsDepartment / Division
Education
- B.S., Andrews University
- M.S., Western Washington University
- Ph.D., University of California, Berkeley
Collections Areas
- Annelida
- Polychaeta
- Archiannelida
- Echiura
- Pogonophora
- Vestimentifera
- Polychaeta
- Arthropoda
- Cephalocarida
- Copepoda
- Malacostraca
- Peracarida
- Amphipoda, Cumacea, Isopoda, Mysidacea, Tanaidacea
- Phyllocarida
- Stomatopoda
- Peracarida
- Maxillopoda
- Pycnogonida
- Remipedia
- Xiphosura
- Hemichordata
- Plankton
- Sipuncula
Research Interests
Evolutionary biology of deep, pelagic invertebrates, primarily Polychaeta and Peracarida
Publications
- Allentoft-Larsen, Marc C., Gonzalez, Brett C., Daniels, Joost, Katija, Kakani, Osborn, Karen J., and Worsaae, Katrine. 2021. "Muscular adaptations in swimming scale worms (Polynoidae, Annelida)." Royal Society Open Science, 8, (10), London, England: Royal Society Open Science. https://doi.org/10.1098/rsos.210541.
- Gonzalez, Brett C., Martinez, Alejandro, Worsaae, Katrine, and Osborn, Karen J. 2021. "Morphological convergence and adaptation in cave and pelagic scale worms (Polynoidae, Annelida)." Scientific Reports, 11, (1), Berlin; Germany: Nature Research. https://doi.org/10.1038/s41598-021-89459-y.
- Pappalardo, Paula, Collins, Allen G., Pagenkopp Lohan, Katrina,M., Hanson, Kate M., Truskey, Sarit B., Jaeckle, William, Ames, Cheryl Lewis, Goodheart, Jessica A., Bush, Stephanie L., Biancani, Leann M., Strong, Ellen E., Vecchione, Michael, Harasewych, M. G., Reed, Karen, Lin, Chan, Hartil, Elise C., Whelpley, Jessica, Blumberg, Jamie, Matterson, Kenan, Redmond, Niamh E., Becker, Allison, Boyle, Michael J., and Osborn, Karen J. 2021. "The role of taxonomic expertise in interpretation of metabarcoding studies." ICES Journal of Marine Science, https://doi.org/10.1093/icesjms/fsab082.
- San Martín, Guillermo, Álvarez-Campos, Patricia, Kondo, Yusuke, Núñez, Jorge, Fernández-Álamo, María Ana, Pleijel, Fredrik, Goetz, Freya E., Nygren, Arne, and Osborn, Karen. 2021. "New symbiotic association in marine annelids: ectoparasites of comb jellies." Zoological Journal of the Linnean Society, 672–694. 191, (3), Oxford, England: Oxford University Press. https://doi.org/10.1093/zoolinnean/zlaa034.
- Stenvers, Vanessa I., Hauss, Helena, Osborn, Karen J., Neitzel, Philipp, Merten, Véronique, Scheer, Stella, Robison, Bruce H., Freitas, Rui, and Hoving, Henk Jan T. 2021. "Distribution, associations and role in the biological carbon pump of Pyrosoma atlanticum (Tunicata, Thaliacea) off Cabo Verde, NE Atlantic." Scientific Reports, 11, (1), Berlin, Germany: Nature Research. https://doi.org/10.1038/s41598-021-88208-5.
- Stenvers, Vanessa, I., Gonzalez, Brett C., Goetz, Freya E., Hemmi, Jan M., Jessop, Anna-Lee, Lin, Chan, Hoving, Henk-Jan T., and Osborn, Karen J. 2021. "Extraordinary eyes reveal hidden diversity within the holopelagic genus Paraphronima (Amphipoda: Hyperiidea)." Deep-Sea Research Part I-Oceanographic Research Papers, 177, Oxford; England: Pergamon-Elsevier Science Limited. https://doi.org/10.1016/j.dsr.2021.103610.
- Worsaae, Katrine, Hansen, Malte J., Axelsen, Oscar, Kakui, Keiichi, Moller, Peter R., Osborn, Karen J., Martinez, Alejandro, Gonzalez, Brett C., Miyamoto, Norio, and Fujita, Yoshihisa. 2021. "A new cave-dwelling genus and species of Nerillidae (Annelida) from the Ryukyu Islands, Japan." Marine Biodiversity, 51, (4), Heidelberg; Germany: Springer Heidelberg. https://doi.org/10.1007/s12526-021-01199-4.
- Brix, Saskia, Osborn, Karen J., Kaiser, Stefanie, Truskey, Sarit B., Schnurr, Sarah M., Brenke, Nils, Malyutina, Marina, and Martinez, Pedro M. 2020. "Adult life strategy affects distribution patterns in abyssal isopods -- implications for conservation in Pacific nodule areas." Biogeosciences Discussions, 6163–6184. 17, (23), Gottingen, Germany: Copernicus Gesellschaft MBH. https://doi.org/10.5194/bg-2019-358.
- Davis, Alexander L., Thomas, Kate N., Goetz, Freya E., Robison, Bruce H., Johnsen, Sönke, and Osborn, Karen J. 2020. "Ultra-black Camouflage in Deep-Sea Fishes." Current Biology, 3470–3776.e3. 30, (17), Elsevier. https://doi.org/10.1016/j.cub.2020.06.044.
- 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 M., Osborn, Karen J., and Worsaae, Katrine. 2020. "Anchialine biodiversity in the Turks and Caicos Islands: New discoveries and current faunal composition." International Journal of Speleology, 71–86. 49, (2), Amsterdam, Netherlands: Swets & Zeitlinger. https://doi.org/10.5038/1827-806X.49.2.2316.
- Hughes, Lauren E., Bruce, Niel L., and Osborn, Karen J. 2020. "Aegiochus gracilipes (Hansen, 1895) a senior synonym of Aegiochus tara Bruce, 2009 (Crustacea: Isopoda: Aegidae)." Zootaxa, 388–392. 4803, (2), Auckland, New Zealand: Magnolia Press. https://doi.org/10.11646/zootaxa.4803.2.10.
- Bentlage, Bastian, Osborn, Karen J., Lindsay, Dhugal J., Hopcroft, Russell R., Raskoff, Kevin A., and Collins, Allen G. 2018. "Loss of metagenesis and evolution of a parasitic life style in a group of open ocean jellyfish." Molecular phylogenetics and evolution, 50–59. 124, Elsevier. https://doi.org/10.1016/j.ympev.2018.02.030.
- Bentlage, Bastian, Osborn, Karen J., Lindsay, Dhugal J., Hopcroft, Russell R., Raskoff, Kevin A., and Collins, Allen G. 2018. "Corrigendum to Loss of metagenesis and evolution of a parasitic life style in a group of open-ocean jellyfish Molecular Phylogenetics and Evolution 124 (2018) 50-59." Molecular phylogenetics and evolution, 390–391. 126, Elsevier. https://doi.org/10.1016/j.ympev.2018.06.017.
- Schnurr, Sarah, Osborn, Karen J., Malyutina, Marina, Jennings, Robert, Brix, Saskia, Driskell, Amy, Svavarsson, Jö, and Martinez Arbizu, Pedro. 2018. "Hidden diversity in two species complexes of munnopsid isopods (Crustacea) at the transition between the northernmost North Atlantic and the Nordic Seas." Marine Biodiversity, 813–843. 48, (2), Dordrecht: Springer Nature. https://doi.org/10.1007/s12526-018-0877-6.
- Burridge, Alice K., Hörnlein, Christine, Janssen, Arie W., Hughes, Martin, Bush, Stephanie L., Marlétaz, Ferdinand, Gasca, Rebeca, Pierrot-Bults, Annelies, Michel, Ellinor, Todd, Jonathan A., Young, Jeremy R., Osborn, Karen J., Menken, Steph B. J., and Peijnenburg, Katja T. C. A. 2017. "Time-calibrated molecular phylogeny of pteropods." PLOS ONE, 1–22. 12, (6), San Francisco: Public Library of Science. https://doi.org/10.1371/journal.pone.0177325.
- Burridge, Alice K., Hörnlein, Christine, Janssen, Arie W., Hughes, Martin, Bush, Stephanie L., Marlétaz, Ferdinand, Gasca, Rebeca, Pierrot-Bults, Annelies, Michel, Ellinor, Todd, Jonathan A., Young, Jeremy R., Osborn, Karen J., Menken, Steph B. J., and Peijnenburg, Katja T. C. A. 2017. [Dataset] Photographs of pteropod specimens. Distributed by Dryad Digital Repository.
- Haddock, Steven H. D., Christianson, Lynne, Francis, Warren, Martini, Sé, Powers, Meghan, Dunn, Casey, Pugh, Philip, Mills, Claudia, Osborn, Karen J., Seibel, Brad, Choy, Anela, Schnitzler, Christine, Matsumoto, George, Messié, Monique, Schultz, Darrin, Winnikoff, Jacob, Gasca, Rebeca, Browne, William, Johnsen, Sönke, Schlining, Kyra, von Thun, Susan, Erwin, Benjamin, Ryan, Joseph, and Thuesen, Erik. 2017. "Insights into the Biodiversity, Behavior, and Bioluminescence of Deep-Sea Organisms Using Molecular and Maritime Technology." Oceanography, 38–47. 30, (4), https://doi.org/10.5670/oceanog.2017.422.
- Zhang, Jinghuai, Zhang, Yanjie, Osborn, Karen J., and Qiu, Jian-Wen. 2017. "Description of a new species of Eulepethus (Annelida, Eulepethidae) from the northern South China Sea, and comments on the phylogeny of the family." Zootaxa, 581. 4226, (4), Auckland: Magnolia Press. https://doi.org/10.11646/zootaxa.4226.4.8.
- Bagge, Laura E, Osborn, Karen J., and Johnsen, Sönke. 2016. "Nanostructures and Monolayers of Spheres Reduce Surface Reflections in Hyperiid Amphipods." Current Biology, 3071–3076. 26, (22), https://doi.org/10.1016/j.cub.2016.09.033.
- Capa, María, Osborn, Karen J., and Bakken, Torkild. 2016. "Sphaerodoridae (Annelida) of the deep Northwestern Atlantic, including remarkable new species of Euritmia and Sphaerephesia." ZooKeys, 1–32. 615, https://doi.org/10.3897/zookeys.615.9530.
- Baldwin Fergus, Jamie L, Johnsen, Sönke, and Osborn, Karen J. 2015. "A Unique Apposition Compound Eye in the Mesopelagic Hyperiid Amphipod Paraphronima gracilis." Current Biology, 473–478. 25, (4), https://doi.org/10.1016/j.cub.2014.12.010.
- Bracken-Grissom, Heather, Collins, Allen Gilbert, Collins, Timothy, Crandall, Keith, Distel, Daniel, Dunn, Casey, Giribet, Gonzalo, Haddock, Steven, Knowlton, Nancy, Martindale, Mark, Medina, Monica, Messing, Charles, O'Brien, Stephen J., Paulay, Gustav, Putnam, Nicolas, Ravasi, Timothy, Rouse, Greg W., Ryan, Joseph F., Schulze, Anja, Worheide, Gert, Adamska, Maja, Bailly, Xavier, Breinholt, Jesse, Browne, William E., Diaz, M. Christina et al. 2014. "The Global Invertebrate Genomics Alliance (GIGA): Developing Community Resources to Study Diverse Invertebrate Genomes." The Journal of Heredity, 1–18. 105, (1), Cary; Journals Dept., 2001 Evans RD, Cary, NC 27513 USA: Oxford University Press, Inc.. https://doi.org/10.1093/jhered/est084.
- Holland, Nicholas D., Osborn, Karen J., Gebruk, Andrey V., and Rogacheva, Antonina. 2013. "Rediscovery and augmented description of the HMS ‘Challenger’ acorn worm (Hemichordata, Enteropneusta), Glandiceps abyssicola, in the equatorial Atlantic abyss." Journal of the Marine Biological Association of the United Kingdom, 2197–2205. 93, (8), Cambridge University Press. https://doi.org/10.1017/S0025315413000684.
- Osborn, Karen J., Gebruk, Andrey V., Rogacheva, Antonina, and Holland, Nicholas D. 2013. "An Externally Brooding Acorn Worm (Hemichordata, Enteropneusta, Torquaratoridae) from the Russian Arctic." Biological Bulletin, 113–123. 225, (2),
- Holland, Nicholas D., Kuhnz, Linda A., and Osborn, Karen J. 2012. "Morphology of a new deep‐sea acorn worm (class Enteropneusta, phylum Hemichordata): A part‐time demersal drifter with externalized ovaries." Journal of Morphology, 661–671. 273, (7), Wiley-Blackwell. https://doi.org/10.1002/jmor.20013.
- Holland, Nicholas D., Kuhnz, Linda A., and Osborn, Karen J. 2012. "Morphology of a New Deep-Sea Acorn Worm (Class Enteropneusta, Phylum Hemichordata): A Part-Time Demersal Drifter with Externalized Ovaries." Journal of Morphology, 1–11. https://doi.org/10.1002/jmor.20013.
- Holland, Nicholas D., Osborn, Karen J., and Kuhnz, Linda A. 2012. "A new deep-sea species of harrimaniid enteropneust (Hemichordata)." Proceedings of the Biological Society of Washington, 228–240. 125, (3), https://doi.org/10.2988/12-11.1.
- Priede, Imants G., Osborn, Karen J., Gebruk, Andrey V., Jones, Dan, Shale, David, Rogacheva, Antonina, and Holland, Nicholas D. 2012. "Observations on torquaratorid acorn worms (Hemichordata, Enteropneusta) from the North Atlantic with descriptions of a new genus and three new species." Invertebrate Biology, 244–257. 131, (3), Hoboken: Wiley-Blackwell. https://doi.org/10.1111/j.1744-7410.2012.00266.x.
- Hull, Pincelli M., Osborn, Karen J., Norris, Richard D., and Robison, Bruce H. 2011. "Seasonality and depth distribution of a mesopelagic foraminifer, Hastigerinella digitata, in Monterey Bay, California." Limnology and Oceanography, 562–576. 56, https://doi.org/10.4319/lo.2011.56.2.0562.
- Kaufmann, Ronald S., Robison, Bruce H., Sherlock, Rob E., Reisenbichler, Kim R., and Osborn, Karen J. 2011. "Composition and structure of macrozooplankton and micronekton communities in the vicinity of free-drifting Antarctic icebergs." Deep Sea Research Part II: Topical Studies in Oceanography, 1469–1484. 58, (Free-Drifting Icebergs in the Southern Ocean) https://doi.org/10.1016/j.dsr2.2010.11.026.
- Osborn, Karen J., Haddock, Steven, and Rouse, Greg. 2011. "Swima (Annelida, Acrocirridae), holopelagic worms from the deep Pacific." Zoological Journal of the Linnean Society, 663–678. 163, (3), https://doi.org/10.1111/j.1096-3642.2011.00727.x.
- Osborn, Karen J., Kuhnz, Linda A., Priede, Imants G., Urata, Makoto, Gebruk, Andrey V., and Holland, Nicholas D. 2011. "Diversification of acorn worms (Hemichordata, Enteropneusta) revealed in the deep sea." Proceedings of the Royal Society B: Biological Sciences, 1646–1654. 279, (1733), https://doi.org/10.1098/rspb.2011.1916.
- Sherlock, R. E., Reisenbichler, K. R., Bush, S. L., Osborn, Karen J., and Robison, B. H. 2011. "Near-field zooplankton, ice-face biota and proximal hydrography of free-drifting Antarctic icebergs." Deep Sea Research Part II: Topical Studies in Oceanography, 1457–1468. 58, (Free-Drifting Icebergs in teh Southern Ocean) https://doi.org/10.1016/j.dsr2.2010.11.025.
- Osborn, Karen J., Madin, L. P., and Rouse, G. W. 2010. "The remarkable squidworm is an example of discoveries that await in deep-pelagic habitats." Biology Letters, 449–453. 7, https://doi.org/10.1098/rsbl.2010.0923.
- Osborn, Karen J. and Rouse, Greg W. 2010. "Phylogenetics of Acrocirridae and Flabelligeridae (Cirratuliformia, Annelida)." Zoologica Scripta, 204–219. 40, (2), https://doi.org/10.1111/j.1463-6409.2010.00460.x.
- Osborn, Karen J. 2009. "Relationships within the Munnopsidae (Crustacea, Isopoda, Asellota) based on three genes." Zoologica Scripta, 617–635. 38, https://doi.org/10.1111/j.1463-6409.2009.00394.x.
- Osborn, Karen J., Haddock, S. H. D., Pleijel, F., Madin, L. P., and Rouse, G. W. 2009. "Deep-Sea, Swimming Worms with Luminescent "Bombs"." Science, 964–964. 325, https://doi.org/10.1126/science.1172488.
- Osborn, Karen J. and Rouse, G. 2008. "Multiple origins of pelagicism within Flabelligeridae (Annelida)." Molecular phylogenetics and evolution, 386–392. 49, Orlando, Florida;Amsterdam: Academic Press; Elsevier. https://doi.org/10.1016/j.ympev.2008.05.042.
- Osborn, Karen J., Rouse, Greg W., Goffredi, Shana K., and Robison, Bruce H. 2007. "Description and Relationships of Chaetopterus pugaporcinus, an Unusual Pelagic Polychaete (Annelida, Chaetopteridae)." Biological Bulletin, 40–54. 212, (1), https://doi.org/10.2307/25066579.
- Collins, Allen Gilbert, Bentlage, Bastian, Matsumoto, G. I., Haddock, H. D., Osborn, Karen J., and Schierwater, B. 2006. "Solution to the phylogenetic enigma of Tetraplatia, a worm-shaped cnidarian." Biology Letters, 120–124. 2,