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nominal species Unio macropygus da Silva e Castro, 1885

Unio macropygus da Silva e Castro, 1885 = Unio tumidiformis

da Silva e Castro, 1885. Bull. Soc. Malac. France 2: 286.

Taxonomic Opinions

+ Unio tumidiformis da Silva e Castro, 1885 — Lopes-Lima et al., 2024: suppl. append. 2, p. 22.

+ Unio tumidiformis Castro, 1885 — Reis & Araujo, 2009: 1933.

+ Unio tumidiformis Castro, 1885 — Araujo et al., 2009: 49.

+ Unio crassus batavus (Maton & Rackett, 1807) — Haas, 1969: 49.

+ Unio crassus batavus (Maton & Rackett, 1807) — Haas, 1940: 131.

= Unio (groupe de l’U. tumidus) macropygus Castro, 1885 — Locard, 1899: 262.

= Unio macropygus Silva, 1885 — Westerlund, 1890: 102.

= Unio (Tumidusiana) macropygus Castro — Locard, 1889: 175.

= Unio macropygus — da Silva e Castro, 1885: 286.