Bivalvia | ... | Unionidae | Unioninae | Unionini | Unionina | Unio mancus

Locard, 1889. Contr. Faune Malacol. Franc. 13: 157 [51], 232 [126].
Locard, 1893. Coqu. Eau Douce Saumâtre France: 192.
Type(s): LECTOTYPE MNHN_22596 (by Graf, 2011: 510), Aramon (Gard).
+ Unio mancus requienii Michaud, 1831 — Prie, 2012: 432.
+ Unio elongatulus requienii Michaud, 1831 — Haas, 1969: 37.
+ Unio elongatulus requienii Michaud, 1831 — Haas, 1940: 126.
+ Unio requieni Michaud — Germain, 1931: 737.
= Unio (Groupe de l’U. requieni) vardonicus Locard — Locard, 1893: 192.
= Unio vardonicus Loc., 1889 — Westerlund, 1890: 133.
= Unio (Meretricisiana) vardonicus Locard, Nov. sp. — Locard, 1889: 157.