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Reproductive Data for Conus sponsalis
egg diameter 135 um
reproductive season August
development 1) metamorphosis occurs when 5 to 5 1/3 whorls are complete; length: 1450 um; width: 695 um; 2) prehatching period: 11 days, hatching size: 0.220 mm, settling size: 1.450 mm
occurrence plankton in Kaneohe Bay Sampan Channel
references 1) J.B. Taylor in Planktonic Prosobranch Veligers of Kaneohe Bay, 1975; 2) F.E. Perron in The Reproductive Ecology of Conus in Hawaii, 1981

Phylogenetic Information
phylum Mollusca
class Gastropoda (subclass Prosobranchia)
order Neogastropoda
family Conidae
genus Conus
species sponsalis
reproduction method sexual