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Data last updated
Mon 1 Dec 2025
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Bivalvia
| ... | Unionoidea
| Unionidae
| Unioninae
| Unionini
| Unio crassus
nominal species Unio batavus var. longus de Joannis, 1859
Unio batavus var. longus de Joannis, 1859 = Unio crassus
de Joannis, 1859. Ann. Soc. Linn. Maine-et-Loire 3: 288, pl. 10, fig. 3. (intro'd as intra-sp. of Mya batava Maton & Rackett, 1807; homonym of Unio longus Philippi, 1869)
= Unio crassus Taxonomic Opinions+ Unio batavus Maton et Rackett — Germain, 1931 = Unio batavus var. longus Nobis — de Joannis, 1859
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