Smithsonian National Museum of Natural History

Ellen Strong

Chair of Invertebrate Zoology, Research Zoologist and Curator of Mollusks
Department / Division
  • B.A., University of California, Berkeley
  • Ph.D., George Washington University
  • Ph.D., George Washington University
Collections Areas
  • Bryozoa
    • Fluid preserved specimens
    • Dry specimens - Antarctic
  • Mollusca
    • Gastropoda (freshwater, terrestrial)
      • Caenogastropoda (basal marine)
        • Cerithioidea (freshwater)
Research Interests

Phylogeny and systematics of the Caenogastropoda based on morphological and molecular data; evolution of feeding biology in the Mollusca (Caenogastropoda; Bivalvia).


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  • Strong, Ellen E. and Lydeard, Charles. 2019. "Pleuroceridae P. Fischer, 1885." in Freshwater mollusks of the world : a distribution atlas, edited by Lydeard, Charles and Cummings, Kevin., 74– 80. Baltimore: Johns Hopkins University Press.
  • Van Bocxlaer, Bert and Strong, Ellen E. 2019. "Viviparidae Gray, 1847." in Freshwater Mollusks of the World: A Distribution Atlas, edited by Lydeard, Charles and Cummings, Kevin., 43– 50. Baltimore: Johns Hopkins University Press.
  • Cowie, Robert H., Hayes, Kenneth A., Strong, Ellen E., and Thiengo, Silvana C. 2017. "Non-native Apple Snails: Systematics, distribution, Invasion History and Reasons for Introduction." in Biology and management of invasive apple snails, edited by Joshi, Ravindra C., Cowie, Robert H., and Sebastian, Leocadio S., 3– 32. Maligaya, Nueva Ecija: Philippine Rice Research Institute (PhilRice).
  • Bouchet, Philippe and Strong, Ellen E. 2010. "Historical name-bearing types in marine molluscs: an impediment to biodiversity studies?." in Systema Naturae 250 - The Linnaean Ark, edited by Polaszek, Andrew., 61– 72. Boca Raton, FL: CRC Press.
  • Ponder, W. F., Colgan, Donald J., Healy, J., Nützel, A., Simone, L. R. L., and Strong, Ellen E. 2008. "Caenogastropod Phylogeny." in Molluscan Phylogeny, edited by Ponder, W. F. and Lindberg, D. L., 331– 383. Berkeley: U. California Press.
  • Strong, Ellen E. and Lydeard, Charles. 2004. "Phylogeny and classification of North American freshwater gastropods." in Showing your Shells. A Primer to Freshwater Gastropod Identification, edited by Perez, K. E., Clark, S. A., and Lydeard, Charles., 6– 12. Freshwater Mollusk Conservation Society.