Unionoida | Unionoidea | Unionidae | Unioninae | Unionini | Unio crassus nominal species Unio ater var. irgizlaicus Lindholm, 1904
Lindholm, 1904, Ann. Mus. St. Pétersbourg 8(3-4): 343.
(intro'd as intra-sp. of Unio ater Nilsson, 1822)
= Unio crassus Taxonomic Opinions
+ Unio crassus Philipsson in Retzius, 1788 — Lopes-Lima et al., 2024
+ Unio crassus musivus (Spengler, 1793) — Bogatov, 2022
+ Unio crassus crassus Philipsson, 1788 — Klishko et al., 2017
= Unio (Crassiana) irgizlaicus Lindholm, 1904 — Vinarski & Kantor, 2016
= Crassiana irgizlaica (Lindholm, 1904) — Kantor et al., 2010
+ Unio crassus Philippson in Retzius, 1788 — Graf, 2007
= Crassiana irgizlaica (Lindholm, 1904) — Kantor & Sysoev, 2005
= Crassiana (Bataviana) irgizlaica (Lindholm, 1904) — Starobogatov et al., 2004
= Batavusiana (s.s.) irgislaica [sic] (Lindholm, 1904) — Zatravkin, 1987
+ Unio crassus crassus Retzius, 1788 — Haas, 1969
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