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Department of Invertebrate Zoology

Image of Cerithium koperbergi, Gastropod

Cerithium koperbergi Schepman 1907, from Panglao Island, Philippines

bar Image of Ellen Strong

Ellen E. StrongResearch Zoologist

  • Phone: 202-633-1742
  • Fax: 202-633-0182
  • E-mail:

  • 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 Mollusca

    B.A. (Honors), University of California, Berkeley, California, 1991.
    Ph.D., The George Washington University, Washington, D.C., 2000.

    Research Interests:

    Anatomy-Homology-Phylogeny of Caenogastropoda using morphology and molecules-Phylogeny and Systematics of Cerithioidea using morphology and molecules-Invasion of freshwater-Miniaturization

    Recent Publications:
    Combosch, David J., Collins, Timothy M., Glover, Emily A., Graf, Daniel L., Harper, Elizabeth M., Healy, John M., Kawauchi, Gisele Y., Lemer, Sarah, McIntyre, Erin, Strong, Ellen E., Taylor, John D., Zardus, John D., Mikkelsen, Paula M., Giribet, Gonzalo and Bieler, Rü 2017. A family-level Tree of Life for bivalves based on a Sanger-sequencing approach. Molecular phylogenetics and evolution, 107: 191-208. doi:10.1016/j.ympev.2016.11.003

    Yeung, Norine W., Cowie, Robert H., Hayes, Kenneth A. and Strong, Ellen E. 2017. Type Specimens of Hawaiian Land Snails in the Smithsonian Institution, National Museum of Natural History, with Lectotype Designations. Smithsonian Contributions to Zoology, 647: iv-34. doi:10.5479/si.1943-6696.647

    Strong, Ellen E. and Van Bocxlaer, B. 2016. Anatomy, functional morphology, evolutionary ecology and systematics of the invasive gastropod Cipangopaludina japonica (Viviparidae: Bellamyinae). Contributions to Zoology, 85: 235-263.

    Neusser, Timea P., Jörger, Katharina M., Lodde-Bensch, Eva, Strong, Ellen E. and Schrödl, Michael 2016. The unique deep sea—land connection: interactive 3D visualization and molecular phylogeny of Bathyhedyle boucheti n. sp. (Bathyhedylidae n. fam.)—the first panpulmonate slug from bathyal zones. PeerJ, 4 doi:10.7717/peerj.2738

    Whelan, Nathan V. and Strong, Ellen E. 2016. Morphology, molecules and taxonomy: extreme incongruence in pleurocerids (Gastropoda, Cerithioidea, Pleuroceridae). Zoologica Scripta, 45(1): 62-87. doi:10.1111/zsc.12139

    Vogler, Roberto E., Beltramino, Ariel A., Strong, Ellen E., Rumi, Alejandra and Peso, Juana G. 2016. Insights into the Evolutionary History of an Extinct South American Freshwater Snail Based on Historical DNA. PLOS ONE, 11(12): 1-16. doi:10.1371/journal.pone.0169191

    Li, Jingchun, Foighil, Diarmaid Ó. and Strong, Ellen E. 2016. Commensal associations and benthic habitats shape macroevolution of the bivalve clade Galeommatoidea. Proceedings of the Royal Society B: Biological Sciences, 283(1834) doi:10.1098/rspb.2016.1006

    Strong, Ellen E. and Bouchet, P. 2015. Case 3690: Alabina Dall, 1902 (Gastropoda, CERITHIOIDEA): proposed designation of the type species. The Bulletin of Zoological Nomenclature, 72(3): 196-200.

    Herrera, Nathanael D., ter Poorten, Jan Johan, Bieler, Rü, Mikkelsen, Paula M., Strong, Ellen E., Jablonski, David and Steppan, Scott J. 2015. Molecular phylogenetics and historical biogeography amid shifting continents in the cockles and giant clams (Bivalvia: Cardiidae). Molecular phylogenetics and evolution, 93: 94-106. doi:10.1016/j.ympev.2015.07.013

    Cowie, Robert H., Hayes, Kenneth A. and Strong, Ellen E. 2015. Types of Ampullariidae (Mollusca: Gastropoda) in the National Museum of Natural History, Smithsonian Institution, with Lectotype Designations. Smithsonian Contributions to Zoology, 645: 2-13. doi:10.5479/si.1943-6696.645

    Vogler, Roberto E., Beltramino, Ariel A., Strong, Ellen E., Peso, Juana G. and Rumi, Alejandra 2015. A phylogeographical perspective on the ex situ conservation of Aylacostoma (Thiaridae, Gastropoda) from the High Paraná River (Argentina–Paraguay). Zoological Journal of the Linnean Society, 174(3): 487-499. doi:10.1111/zoj.12250

    Hayes, Kenneth A., Burks, Romi L., Castro-Vazquez, Alfredo, Darby, Philip C., Heras, Horacio, Martín, Pablo R., Qiu, Jian-Wen, Thiengo, Silvana C., Vega, Israel A., Wada, Takashi, Yusa, Yoichi, Burela, Silvana, Cadierno, M. P., Cueto, Juan A., Dellagnola, Federico A., Dreon, Marcos S., Frassa, M. V., Giraud-Billoud, Maximiliano, Godoy, Martín S., Ituarte, Santiago, Koch, Eduardo, Matsukura, Keiichiro, Pasquevich, M. Y., Rodriguez, Cristian, Saveanu, Lucía, et al 2015. Insights from an Integrated View of the Biology of Apple Snails (Caenogastropoda: Ampullariidae). Malacologia, 58(1-2): 245-302. doi:10.4002/040.058.0209

    Galindo, L. A., Puillandre, N., Strong, Ellen E. and Bouchet, P. 2014. Using microwaves to prepare gastropods for DNA barcoding. Molecular Ecology Resources, 14(4): 700-705. doi:10.1111/1755-0998.12231

    Bieler, Ruediger, Mikkelsen, Paula M., Collins, Timothy M., Glover, Emily A., Gonzalez, Vanessa L., Graf, Daniel L., Harper, Elizabeth M., Healy, John, Kawauchi, Gisele Y., Sharma, Prashant P., Staubach, Sid, Strong, Ellen E., Taylor, John D., Temkin, Ilya, Zardus, John D., Clark, Stephanie, Guzman, Alejandra, McIntyre, Erin, Sharp, Paul and Giribet, Gonzalo 2014. Investigating the Bivalve Tree of Life - an exemplar-based approach combining molecular and novel morphological characters. Invertebrate Systematics, 28(1): 32-115. doi:10.1071/IS13010

    Whelan, Nathan V. and Strong, Ellen E. 2014. Seasonal reproductive anatomy and sperm storage in pleurocerid gastropods (Cerithioidea: Pleuroceridae). Canadian Journal of Zoology, 92(12): 989-995. doi:10.1139/cjz-2014-0165

    Johnson, Paul D., Bogan, Arthur E., Brown, Kenneth M., Burkhead, Noel M., Cordeiro, James R., Garner, Jeffrey T., Hartfield, Paul D., Lepitzki, Dwayne A. W., Mackie, Gerry L., Pip, Eva, Tarpley, Thomas A., Tiemann, Jeremy S., Whelan, Nathan V. and Strong, Ellen E. 2013. Conservation Status of Freshwater Gastropods of Canada and the United States. Fisheries, 38(6): 247-282. doi:10.1080/03632415.2013.785396

    Strong, Ellen E. and Bouchet, Philippe 2013. Cryptic yet colorful: anatomy and relationships of a new genus of Cerithiidae (Caenogastropoda, Cerithioidea) from coral reef drop-offs. Invertebrate Biology, 132(4): 326-351. doi:10.1111/ivb.12031

    Tëmkin, Ilya and Strong, Ellen E. 2013. New Insights on Stomach Anatomy of Carnivorous Bivalves. Journal of Molluscan Studies, 79(4): 332-339. doi:10.1093/mollus/eyt031

    Schloeder, Carmen, Canning-Clode, João, Saltonstall, Kristin, Strong, Ellen E., Ruiz, Gregory M. and Torchin, Mark E. 2013. The Pacific bivalve Anomia peruviana in the Atlantic: a recent invasion across the Panama Canal?. Aquatic Invasions, 8(4): 443-448. doi:10.3391/ai.2013.8.4.08

    Full Publication List

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