Unionoida | Unionoidea | Unionidae | Unioninae | Unionini | Unio delicatus nominal species Unio axiacus Locard, 1883
‘Letourneux’ Locard, 1883, Arch. Mus. Hist. Nat. Lyon 3: 242, pl. 20, figs. 20-23.
= Unio delicatus Taxonomic Opinions
+ Unio delicatus Lea, 1863 — Lopes-Lima et al., 2021
+ Unio terminalis delicatus Lea, 1863 — Schütt, 1983
+ Unio tigridis tigridis Bourguignat, 1852 — Haas, 1969
+ Unio tigridis tigridis Bourguignat, 1852 — Haas, 1940
+ Unio (sec. Lymnium) pietri Locard in Lortet, 1880 — Simpson, 1914
+ Unio (sec. Lymnium) pietri Locard in Lortet, 1880 — Simpson, 1900
= Unio axiacus Let. [sic] — Paetel, 1890
= Unio axiacus (Let.) Loc. — Westerlund, 1890
= Unio (Groupe de l‘Unio axiacus) axiacus Letourneux — Locard, 1883
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