Meeting Abstract 33-5  Monday, Jan. 4 14:30  The echinoid blastula: linking biomechanics to development-environment interactions VON DASSOW, M; Duke Univ. Marine Lab mvondass@gmail.com The response of hatched sand dollar blastulae to salinity variation presents a simple case study of how biomechanics can influence the sensitivity of morphogenesis to environmental variation. The formation of a hollow blastocoel cavity, […]

Meeting Abstract 33-2  Monday, Jan. 4 13:45  Role of the Rho/Rock pathway in sponge morphogenesis HILL, A*; SCHENKELAARS, Q; HALL, C; QUINTERO, O; FIERRO-CONSTAIN, L; RENARD, E; BORCHIELLINI, C; University of Richmond, Virginia; Aix-Marseille University, Marseille, France; University of Richmond, Virginia; University of Richmond, Virginia; Aix-Marseille University, Marseille, France; Aix-Marseille University, Marseille, France; Aix-Marseille University, Marseille, France […]

Meeting Abstract 33-3  Monday, Jan. 4 14:00  Individual fertilization success in sea urchins is dependent on sperm chemotaxis HUSSAIN, Y*; GUASTO, J.S.; ZIMMER, R.K.; STOCKER, R; RIFFELL, J.A.; University of Washington, Seattle; Tufts University, Medford, MA; University of California, Los Angeles; ETH Zurich, Switzerland; University of Washington, Seattle hyasmeen@uw.edu http://www.biology.washington.edu/users/hyasmeenuwedu Reproductive success fundamentally shapes an organism’s ecology […]

Meeting Abstract 33-1  Monday, Jan. 4 13:30  Gastrulation in glass sponges: fate mapping in 3D LEYS, SP*; KAMARUL-ZAMAN, A; BOURY-ESNAULT, N; LEYS, Sally; University of Alberta; University of Alberta; Université Aix-Marseille, France sleys@ualberta.ca Gastrulation, the formation of multiple germ layers resulting in an epidermis, a middle layer, and a feeding gastrodermis, is disputed to take place in […]

Meeting Abstract 33-4  Monday, Jan. 4 14:15  First in situ measurements of fertilization success and the influence of population density in the giant sea scallop BAYER, S.R.*; WAHLE, R.A.; BRADY, D.C.; JUMARS, P.A.; University of Maine; University of Maine; University of Maine; University of Maine skylarrb@gmail.com http://www.umaine.edu/marine/people/profile/skylar_bayer Fishing down sedentary broadcast spawners challenges their reproductive success by […]

Meeting Abstract 33-6  Monday, Jan. 4 14:45  CRISPR/Cas9-mediated excision of the brachyury gene disrupts endoderm development in the sea anemone Nematostella vectensis. SERVETNICK, MD*; STEINWORTH , B; BABONIS, L; SIMMONS, D; MARTINDALE , MQ; Univ of Washington Bothell; Whitney Laboratory for Marine Biosciences, Univ of Florida; Whitney Laboratory for Marine Biosciences, Univ of Florida; Whitney Laboratory for […]

Meeting Abstract 32-6  Monday, Jan. 4 14:45  Revision of Colossendeis colossea Wilson, 1881 (Pycnogonida: Family Colossendeidae) GARDNER, C.E.*; BAIN, B.A.; GOVEDICH, F.R.; Southern Utah University; Southern Utah University; Southern Utah University coralgardner1@gmail.com Sea spiders (pycnogonids) are a small group of exclusively marine arthropods which resemble terrestrial spiders. One family, the Colossendeidae can grow to a very large […]

Meeting Abstract 32-2  Monday, Jan. 4 13:45  Phylogenomics resolves relationships among major Ctenophora lineages WHELAN, N.V.*; KOCOT, K.M.; KOHN, A.B.; MOROZ, T.P.; MUKHERJEE, K.; WILLIAMS, P.; MILLS, C.E.; PAULAY, G.; MOROZ, L.L.; HALANYCH, K.M.; Auburn University; University of Queensland; University of Florida; University of Florida; University of Florida; University of Florida; University of Washington; University of Florida; […]

Meeting Abstract 32-7  Monday, Jan. 4 15:00  Phylogenetic structure of passerine bird communities along a Sonoran Desert elevational gradient MILES, DB; MILES, Donald; Ohio University urosaurus@gmail.com http://diapsida.org Recent interest in the application of phylogenetic analyses to community data has allowed the ability to tease apart the relative contribution of ecological and evolutionary processes in structuring local species […]

Meeting Abstract 32-4  Monday, Jan. 4 14:15  Molecular phylogeny of the neogastropod family Columbellidae DEMAINTENON, M.J.*; STRONG, E.E.; University of Hawaii at Hilo; Smithsonian Institution, National Museum of Natural History demainte@hawaii.edu The neogastropod family Columbellidae is a highly successful group of small epibenthic marine snails, with 725 living species in 69 nominal genera distributed in temperate to […]