Pierce, S. K., N. E. Curtis, S. E. Massey, A. L. Bass, S. A. Karl and C. M. Finn 2006. A morphological and molecular comparison between Elysia crispata and a new species of kleptoplastic sacoglossan sea slug (Gastropoda: Opisthobranchia) from the Florida Keys, USA. Molluscan Research 26 23-38. [Stated date: -- May 2006.] {Included species}