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Data last updated
Thu 18 Dec 2025
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Bivalvia
| ... | Unionoidea
| Unionidae
| Unioninae
| Unionini
| Unio mancus
nominal species Unio royianus Locard, 1889
 Unio royianus Locard, 1889 = Unio mancus
Locard, 1889. Contr. Faune Malacol. Franc. 13: 171 [65], 255 [149].
Locard, 1893. Coqu. Eau Douce Saumâtre France: 202, fig. 215 [as ‘royianus’].
Type(s): LECTOTYPE MNHN_22509 (by Graf, 2011: 502), fossés du fort de la Vitriolerie, à Lyon.
= Unio mancus Taxonomic Opinions+ Unio mancus requienii Michaud, 1831 — Prie, 2012 + Unio elongatulus requienii Michaud, 1831 — Haas, 1969 + Unio elongatulus requienii Michaud, 1831 — Haas, 1940 + Unio requieni Michaud — Germain, 1931 = Unio (Groupe de l’U. danielis) royianus Locard — Locard, 1893 = Unio royanus [sic] Locard, 1889 — Westerlund, 1890 = Unio (Hispaniana) royianus Locard, Nov. sp. — Locard, 1889
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