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Department of Invertebrate Zoology

Sapphirina auronitens

A drawing by Giesbrecht (1892) of the Copepoda, Sapphirina auronitens Claus, 1863

bar Image of Karen Osborn

Karen J. OsbornResearch Zoologist

  • Phone: 202-633-3668
  • Fax: 202-633-0182
  • E-mail:
  • Osborn Lab Website

  • Mailing Address:
    Smithsonian Institution
    PO Box 37012, MRC 163
    Washington, DC 20013-7012

  • Courier Delivery Address:
    Smithsonian Institution
    National Museum of Natural History
    10th and Constitution Ave, NW
    Washington, DC 20560-0163

    Responsibilities: Research Zoologist, Curator of Polychaeta and Peracarida

    Ph.D. University of California, Berkeley 2007
    M.S. Western Washington University, 1999
    B.S. Andrews University, 1996

    Research Interests: Pelagic invertebrate evolution

    Recent Publications:
    Zhang, Jinghuai, Zhang, Yanjie, Osborn, Karen and Qiu, Jian-Wen 2017. Description of a new species of <I>Eulepethus</I> (Annelida, Eulepethidae) from the northern South China Sea, and comments on the phylogeny of the family. Zootaxa, 4226(4): 581 doi:10.11646/zootaxa.4226.4.8

    Bagge, Laura E, Osborn, Karen J and Johnsen, Sö 2016. Nanostructures and Monolayers of Spheres Reduce Surface Reflections in Hyperiid Amphipods. Current Biology, 26(22): 3071-3076. doi: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. doi:10.3897/zookeys.615.9530

    Baldwin Fergus, Jamie L, Johnsen, Sö and Osborn, Karen J. 2015. A Unique Apposition Compound Eye in the Mesopelagic Hyperiid Amphipod Paraphronima gracilis. Current Biology, 25(4): 473-478. doi:10.1016/j.cub.2014.12.010

    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. doi: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. The Biological bulletin, 225(2): 113-123.

    Full Publication List

    Download Dr. Osborn's CV

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