Unionoida | Unionoidea | Unionidae | Parreysiinae | Lamellidentini | Trapezidens dolichorhynchus nominal species Unio protensus Tapparone Canefri, 1889
Tapparone Canefri, 1889, Ann. Mus. Storia Nat. Genova 27: 349.
(homonym of Unio protensus Lea, 1865; renamed Lamellidens canefrianus Simpson, 1900)
= Trapezidens dolichorhynchus Taxonomic Opinions
+ Trapezidens dolichorhynchus (Tapparone Canefri, 1889) — Bolotov et al., 2022
+ Trapezidens dolichorhynchus (Tapparone Canefri, 1889) — Konopleva et al., 2020
+ Lamellidens testudinarius (Spengler, 1793) — Haas, 1969
+ Lamellidens corrianus (Lea, 1834) — Prashad, 1922
+ Lamellidens (s.s.) canefrianus Simpson, 1900 — Preston, 1915
+ Lamellidens (s.s.) canefrianus Simpson, 1900 — Simpson, 1900
= Unio protensus sp. n. — Tapparone Canefri, 1889
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