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Reproductive Data for Petaloconchus keenae
egg diameter 0.217 mm
reproductive season continuous, irregular, mantle slit 12 months, summer low: 3) All months except January and June
development 1) indirect (hatch as veligers); hatching size 0.29x0.39mm 2) mixed (hatch as crawling juveniles or as veligers); 3) hatching size 660x450 um
occurrence subtidal fringing reef, northeastern side Coconut Island, Kaneohe Bay; Sampan Channel, Dredged Island
references 1) Hadfield et. al. 1972; 2) C. N. Hopper, in The Ecology and Reproductive Biology of Some Hawaiin Vermetid Gastropods, 1981; 3) J.B. Taylor in Planktonic Prosobranch Veligers of Kaneohe Bay, 1975; 3) J.B. Taylor in Planktonic Prosobranch Veligers of Kaneohe Bay, 1975

Phylogenetic Information
phylum Mollusca
class Gastropoda (subclass Prosobranchia)
order Neotaenioglossa
family Vermetidae
genus Petaloconchus
species keenae
reproduction method shell brooding pattern