nominal species Unio tumida Malcolmson, 1840
Sowerby in Malcolmson, 1840, Trans. Geol. Soc. London 5: pl. 47, figs. 11-12.
(homonym of Unio tumidus Retzius, 1788; renamed Unio malcolmsoni Hislop, 1860)
Taxonomic Opinions
+ Parreysia malcolmsoni (Hislop, 1860) — Bolotov et al., 2022
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