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nominal species Unio tuberosus var. perlobatus de Gregorio, 1914

Unio tuberosus var. perlobatus de Gregorio, 1914 = Theliderma intermedia

de Gregorio, 1914. Il Nat. Siciliano 2: 39, pl. 3, fig. 3a-c.
(intro'd as intra-sp. of Unio tuberosus Lea, 1840)

Taxonomic Opinions

+ Theliderma intermedia (Conrad, 1836) — Lopes-Lima et al., 2019: 6 [Suppl. Appendix 2].

+ Quadrula intermedia (Conrad, 1836) — Williams et al., 2008: 661.

+ Quadrula intermedia (Conrad, 1836) — Parmalee & Bogan, 1998: 213.

= Unio tuberosus var. perlobatus de Greg. — de Gregorio, 1914: 39, pl. 3, fig. 3a-c.