Abbott (1974) described five Florida Lucapina. 

Lucapina aegis (Reeve, 1850)
Lucapina eolis Farfante, 1945
Lucapina philippiana (Finlay, 1930)
Lucapina sowerbii (G. B. Sowerby I, 1835) 

Lucapina suffusa (Reeve, 1850)

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For good discussion of Lucapina and Lucapinella see Johnsonia