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nominal species Unio tumidulus Locard, 1889

Unio tumidulus Locard, 1889 = Unio tumidus

Rossmässler, 1836. Icon. Land- und Süssw.-Moll. 1 (3): pl. 14, fig. 203 [as ‘Unio tumidus’].
Rossmässler, 1838. Icon. Land- und Süssw.-Moll. 2 (1-2): pl. 40, fig. 542 [as ‘Unio tumidus’].
Locard, 1889. Contr. Faune Malacol. Franc. 13: 176 [70], 261 [155].
Locard, 1893. Coqu. Eau Douce Saumâtre France: 213.
(homonym of Unio tumidulus Lea, 1856)
Type(s): LECTOTYPE MNHN_22586 (by Graf, 2011: 510), La Seine à Rouen (Seine-Inférieure).

Taxonomic Opinions

+ Unio tumidus tumidus Retzius, 1788 — Haas, 1969: 21.

+ Unio tumidus tumidus Retzius, 1788 — Haas, 1940: 129.

+ Unio tumidus Philippson — Germain, 1931: 742, fig. 840.

+ Unio tumidus Philippsson — Germain, 1908: 144.

= Unio (Groupe de l’U. tumidus) tumidulus Locard — Locard, 1893: 213.

+ Unio tumidus var. mülleri Rssm. — Westerlund, 1890: 98.

= Unio (Tumidusiana) tumidulus Locard, Nov. sp. — Locard, 1889: 176.