Marsh  had synonymized the genus Curtisella with the genus Subcurtisella Roman, 1924. But Belokobylskij  considers the latter as a valid genus. Waiting for the studies required to clarify their respective positions, we follow Marsh .
The synonyms currently recognized are:
Neorhyssa Szépligeti, 1902 (synonymized by Roman in 1924) Lissophrymnus Cameron, 1911 (synonymized by Roman in 1924) Polystenoides Muesebeck, 1950 (synonymized by Marsh in 1971) Subcurtisella Roman, 1924 (synonymized by Marsh in 1973)