New records of isopods from the Indian River Lagoon, Florida (Crustacea : Peracarida)

Fifteen species of isopod are recorded for the first time as occurring in t he Indian River Lagoon. Two species are described as new: the janirid asell ote lais floridana, n. sp., which occurs commensally with Sphaeroma terebra ns in low salinity water, and the sphaeromatid flabelliferan Sphaeromopsis sanctaluciae, n. sp., which is also recorded from the Orange River, Lee Cou nty, Florida, and from Islas de Juventud, Cuba. A brief discussion of proto gyny in the sphaeromatid Paradella dianae is included.