Mytilopsis adamsi Morrison, 1946, [Basis of the current name] References: Bernard (1983) s (of ^M. leucophaeata^); Marelli & Gray (1983) v
Mytilopsis allyneana Hertlein & Hanna, 1949, [Synonym] References: Marelli & Gray (1983) s (of M. sallei); Marelli & Gray (1985) s
Mytilopsis sallei auct. non Récluz, 1849, [Not available] Comments: Misidentification. Reports of the introduction of the Mytilopsis sallei in the Pacific and Indian Oceans based on Morton (1981) and Marelli & Gray (1983) overlook that Marelli & Gray (1985) reidentified the introduced species as Mytilopsis adamsi. The identity of the introduced species need to be confirmed.
Mytilopsis zeteki Hertlein & Hanna, 1949, [Synonymy uncertain] References: Bernard (1983) s (of M. leucophaeata); Marelli (1981) s?
