Chernyshev, A.V. (2021)

A new species of Metaruncina (Gastropoda: Heterobranchia: Runcinida) from Vietnam with a discussion on the so-called rudimentary radula in runcinids

. Zootaxa, 4974 (1), 197–200.
https://doi.org/10.11646/zootaxa.4974.1.12