The Identities of Two Crinoid Symbionts, Harrovia Albolineata Adams & White, 1849, and H. Longipes Lanchester, 1900 (Decapoda, Brachyura, Eumedonidae)

The identity of Harrovia albolineata Adams & White, 1849, the type species of the genus Harrovia Adams & White, 1849, is discussed. The confusion in the identities between H. albolineata and H. longipes Lanchester, 1900, is clarified. The two species are distinguished by numerous adult and larval characters. The range variation of the adult morphology within each species is discussed. The first zoea of H. albolineata s. str. is described for the first time.