Unionoida | Hyrioidea | Hyriidae | Hyriinae | Hyriini | Prisodon obliquus nominal species Unio ortonii Lea, 1868
Lea, 1868, Proc. Acad. Nat. Sci. 20: 161.
Lea, 1868, Jour. Acad. Nat. Sci. 6 [O. 12]: 321, pl. 52, fig. 134.
Type(s): HOLOTYPE (MONOTYPY) USNM_703563, River Napo, Ecuador.
= Prisodon obliquus Taxonomic Opinions
+ Prisodon obliquus Schumacher, 1817 — Breure et al., 2022
+ Prisodon obliquus (Schumacher, 1817) — Simone, 2006
+ Prisodon obliquus Schumacher, 1817 — Haas, 1969
+ Prisodon obliquus Schumacher, 1817 — Haas, 1931
= Prisodon (Hyriana) ortonii (Lea, 1868) — Simpson, 1914
= Prisodon (Hyriana) ortonii (Lea, 1868) — Simpson, 1900
= Margaron (Unio) ortonii (Lea) — Lea, 1870
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