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nominal species Unio batavus var. pusillus Rossmässler, 1844

Unio batavus var. pusillus Rossmässler, 1844 = Unio crassus

Rossmässler, 1844. Icon. Land- und Süssw.-Moll. 2 (6): ??.
(intro'd as intra-sp. of Mya batava Maton & Rackett, 1807; homonym of Unio pusillus Lea, 1840)

Taxonomic Opinions

+ Unio amnicus (Z.) Rssm. — Westerlund, 1890: 89.

+ Unio batavus var. crassus Retz. — Clessin, 1877: 468.

+ Unio (Lymnium) batavus var. L nanus Lam. — Moquin-Tandon, 1855: 572.