Bivalvia | Unionida | Hyrioidea | Hyriidae | Hyriinae | Castaliini | Castalia

Humphrey, 1797. Mus. Col.: ??. [non-binomial]
‘Humphrey’ Swainson, 1840. Treat. Malacol.: 284, 379, footnote.
‘Humphrey’ Adams & Adams, 1857. Gen. Rec. Moll. 2(31-32): 509.
Adams & Adams, 1858. Gen. Rec. Moll. 3: pl. 120, figs. 2-2a.
Type(s): HOLOTYPE BMNH_1965197, British Guayana.
Tetraplodon quadrilaterum — Simpson (1900)
Tetraplodon cordatus — Ihering (1910)
Tetraplodon cordata — Simpson (1914)
Castalia (s.s.) quadrilatera retusa — Modell (1950)
Castalia cordata — Haas (1969), Pereira et al. (2014), Mansur et al. (2020), Graf & Cummings (2021)
Castalia multisulcata — Ramírez et al. (2003)
Tetraplodon quadrilaterum — Simpson (1900)
Tetraplodon cordatus — Ihering (1910)
Tetraplodon cordata — Simpson (1914)
Castalia (s.s.) quadrilatera retusa — Modell (1950)
Castalia cordata — Haas (1969), Pereira et al. (2014), Mansur et al. (2020), Graf & Cummings (2021)
Castalia multisulcata — Ramírez et al. (2003)