Research Interests and Responsibilities

Cheilostome bryozoan taxonomy and digital imaging; manage and maintain the Paleozoic and post-Paleozoic bryozoan collections; Research Assistant to Alan H. Cheetham (Senior Scientist, Emeritus).
Digital imaging of planktic Foraminifera; Research Assistant to Brian Huber (Curator).

Publications

Harmelin, Jean-Georges, Vieira, Leandro M., Ostrovsky, Andrew N., Cáceres-Chamizo, Julia P. and Sanner, JoAnn. 2012. Scorpiodinipora costulata (Canu & Bassler, 1929) (Bryozoa, Cheilostomata), a taxonomic and biogeographic dilemma: complex of cryptic species or human-mediated cosmopolitan colonizer?, Zoosystema, 34(1):123-138

Harmelin, J. G., Ostrovsky, A. N., Cáceres-Chamizo, J. and Sanner, Jo Ann. 2011. Bryodiversity in the tropics: taxonomy of Microporella species (Bryozoa, Cheilostomata) with personate maternal zooids from Indian Ocean, Red Sea and southeast Mediterranean, Zootaxa, 2798:1-30

Dick, Matthew H., Mawatari, S. F., Sanner, Jo Ann and Grischenko, A. V. 2011. Cribrimorph and Other Cauloramphus Species (Bryozoa: Cheilostomata) from the Northwestern Pacific, Zoological Science, 28(2):134-147

Herrera-Cubilla, A., Dick, M. H., Sanner, Jo Ann and Jackson, Jeremy B. C. 2008. Neogene Cupuladriidae of Tropical America. II: Taxonomy of Recent Discoporella from opposite side of the Isthmus of Panamá, Journal of Paleontology, 82(2):279-298

Spencer Jones, Mary E., Sanner, Jo Ann and Thomas, Carmen S. 2008. "Bryozoan exchange: Bassler and Hastings". Pp. 413-420 in Annals of Bryozoology 2 (Wyse Jackson, Patrick N. and Spencer Jones, Mary E.). International Bryozoology Association

Cheetham, Alan H., Sanner, Jo Ann and Jackson, Jeremy B. C. 2007. Metrarabdotos and Related Genera (Bryozoa: Cheilostomata) in the Late Paleogene and Neogene of Tropical America, Journal of Paleontology, 81(Supplement):1-96

Cheetham, Alan H., Sanner, Jo Ann, Taylor, P. D. and Ostrovsky, A. N. 2006. Morphological differentiation of avicularia and the proliferation of species in mid-Cretaceous Wilbertopora Cheetham, 1954 (Bryozoa: Cheilostomata), Journal of Paleontology, 80(1):49-71

Herrera-Cubilla, A., Dick, M. H., Sanner, Jo Ann and Jackson, Jeremy B. C. 2006. Neogene Cupuladriidae of Tropical America. I: Taxonomy of Recent Cupuladria from opposite sides of the Isthmus of Panamá, Journal of Paleontology, 80(2):245-263

Sanner, Jo A. 2002. "Canu and Bassler". Pp. 243-250 in Annals of Bryozoology: aspects of the history of research on bryozoans (Wyse Jackson, P. N. and Spencer Jones, M. E.). International Bryozoology Association

Cheetham, Alan H., Jackson, Jeremy B. C. and Sanner, Jo Ann. 2001. Evolutionary Significance of Sexual and Asexual Modes of Propagation in Neogene Species of the Bryozoan Metrarabdotos in Tropical America, Journal of Paleontology, (3):564-577