Bivalvia

nominal species Unio malcolmsoni Hislop, 1860

Unio malcolmsoni Hislop, 1860 = nomen dubium

(new name for Unio tumida Sowerby in Malcolmson, 1840)
Hislop, 1860. Quart. Jour. Geol. Soc. London 16: 174.

Taxonomic Opinions

= Parreysia malcolmsoni (Hislop, 1860) — Bolotov et al., 2022: 11, Table 2, Supplementary Note 2.