Unionoida | Unionoidea | Unionidae | Unioninae | Unionini | Unio crassus nominal species Unio minutulus Servain, 1888
‘Ray’ Locard, 1882, Prodr. Malac. Franç. 1: 290 [as ‘Unio minutus’]. [nomen nudum]
‘Ray’ Servain, 1888, Bull. Soc. Malac. France 5: 316.
= Unio crassus Taxonomic Opinions
+ Unio crassus batavus (Maton & Rackett, 1807) — Haas, 1940
+ Unio mancus var. amnicus Ziegler — Germain, 1931
= Unio (Groupe de l’U. amnicus) minutulus Ray — Locard, 1893
= Unio minutulus (Ray) Servain, 1888 — Westerlund, 1890
= Unio (Amnicusiana) minutulus Ray — Locard, 1889
= Unio (Amniciana) minutulus Ray — Servain, 1888
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