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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
Article
- 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 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 49 (2):71–86. 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 4803 (2):388–392. https://doi.org/10.11646/zootaxa.4803.2.10
- San Martín, Guillermo, Álvarez-Campos, Patricia, Kondo, Yusuke, Núñez, Jorge, Fernández-Álamo, María Ana, Pleijel, Fredrik, Goetz, Freya E., Nygren, Arne, and Osborn, Karen. 2020. "New symbiotic association in marine annelids: ectoparasites of comb jellies." Zoological Journal of the Linnean Society Article–zlaa034. https://doi.org/10.1093/zoolinnean/zlaa034
- Brix, Saskia, Osborn, Karen J., Kaiser, Stefanie, Truskey, Sarit B., Schnurr, Sarah M., Brenke, Nils, Malyutina, Marina, and Martinez, Pedro M. 2019. "Adult life strategy affects distribution patterns in abyssal isopods -- implications for conservation in Pacific nodule areas." Biogeosciences Discussions 1–44. https://doi.org/10.5194/bg-2019-358
- 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 126:390–391. https://doi.org/10.1016/j.ympev.2018.06.017
- 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 124:50–59. https://doi.org/10.1016/j.ympev.2018.02.030
- 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 48 (2):813–843. 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 12 (6):1–22. https://doi.org/10.1371/journal.pone.0177325
- 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 30 (4):38–47. 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 4226 (4):581. 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 26 (22):3071–3076. 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 615:1–32. 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 25 (4):473–478. 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 105 (1):1–18. 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 93 (8):2197–2205. 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 225 (2):113–123.
- 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 273 (7):661–671. 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 125 (3):228–240. 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 131 (3):244–257. 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 56:562–576. 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 58:1469–1484. 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 163 (3):663–678. 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 279 (1733):1646–1654. 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 58:1457–1468. 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 7:449–453. 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 40 (2):204–219. 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 38:617–635. 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 325:964–964. 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 49:386–392. 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 212 (1):40–54. 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 2:120–124.
Dataset
- 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.