Bivalvia | ... | Unionidae | Unioninae | Unionini | Unionina | Unio crassus
Servain, 1888. Bull. Soc. Malac. France 5: 315.
+ Unio crassus Philipsson in Retzius, 1788 — Lopes-Lima et al., 2024: suppl. append. 2, p. 7.
+ Unio (Crassiana) crassus Retzius, 1788 — Vinarski & Kantor, 2016: 25.
+ Unio crassus crassus Retzius, 1788 — Haas, 1969: 45.
+ Unio crassus crassus Retzius, 1788 — Haas, 1940: 129.
+ Unio crassus Philippson — Germain, 1931: 722.
+ — Simpson, 1914.
= Unio (Groupe de l’U. feliciani) hamburgiensis Servain — Locard, 1893: 163.
= Unio hamburgiensis Servain, 1888 — Westerlund, 1890: 64.
= Unio (Crassiana) hamburgiensis Servain — Locard, 1889: 136.
= Unio (Amniciana) hamburgiensis Servain, Nov. spec. — Servain, 1888: 315.