Bivalvia | ... | Hyrioidea | Hyriidae | Hyriinae | Hyriini | Prisodon syrmatophorus

Lea, 1838. Trans. Amer. Phil. Soc. 6 [O. 2]: 108, pl. 24, fig. 116.
Type(s): HOLOTYPE USNM_83883, Amazon R., S. Am.
+ Paxyodon syrmatophorus (Meuschen in Gronovius, 1781) — Simone, 2006: 251.
= Prisodon brownianus (Lea, 1838) — Haas, 1969: 544.
= Prisodon (s.s.) brownianus (Lea, 1838) — Simpson, 1914: 1222.
= Prisodon (s.s.) brownianus (Lea, 1838) — Simpson, 1900: 871.
= Margaron (Triquetra) browniana (Lea) — Lea, 1870: 26.
= Hyria browniana (Lea, 1838) — Sowerby, 1869: pl. 5, sp. 12.
= Hyria browniana (Lea) — Hupé, 1857: 81.
= Triquetra brownianus (Lea) — Adams & Adams, 1857: 508.
= Margaron (Triquetra) browniana (Lea) — Lea, 1852: 17.
= Hyria browniana Lea — Hanley, 1843: 215.
= Margarita (Unio) brownianus Lea — Lea, 1838: 13.