of Trochulus Chemnitz, 1786, meaning the name was published after Trochulus to describe the same group of organisms. As such, Trochulus is considered the valid name, but nearly every malacological work prior to 2006 referred to the genus as Trichia.

The genus Plicuteria Schileyko, 1978 has been once recognized as a subgenus within Trochulus by Schileyko (1978). Based on molecular analyses, Trochulus lubomirski does not belong to the