Abstract
The genus name Forestia was first used by Salvatore Trinchese (1881: 121, 122) for a new species of nudibranch, Forestia mirabilis, from Naples. Nils Hjalmar Odhner (1907: 26, 30), while studying the Opisthobranchia and Pteropoda in the Swedish State Museum, treated the genus Forestia Trinchese, 1881, and referred Eolis albicans Friele & Hansen, 1876, to it. Evans (1922: 439), in his study on the genus Calma Alder & Hancock, 1855 (Calmidae: Nudibranchia: Mollusca) stated that “[t]he genus has been recorded only from European waters, and contains Calma glaucoides [Alder & Hancock, 1855], Eolis albicans [Friele & Hansen, 1876], and the Forestia mirabilis […] All three will probably be found on re-examination to belong to one species, C. glaucoides.” Evan’s (1922) postulation has been adhered to by most subsequent authors.
References
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