Bivalvia | ... | Unionoidea | Unionidae | Ambleminae | Lampsilini | Delphinonaias scutulata

Fischer & Crosse, 1894. Miss. Sci. Mexique, Rech. Zool. 2(15): 561, pl. 59, fig. 6.
(intro'd as intra-sp. of Unio scutulatus Morelet, 1849)
Type(s): LECTOTYPE BMNH_1893-2-4-2016 (by Cummings et al., 2025: 168), S. Geronimo, Yucatan, Mexico.
+ Delphinonaias scutulata (Morelet, 1849) — Cummings et al., 2025: 168, pl. 22 bottom left.
+ Unio (Metaptera) scutulatus Morelet, 1849 — Martens, 1900: 520.
= Unio (Phyllonaias) scutulatus var. G, secabilis — Fischer & Crosse, 1894: 561, pl. 59, fig. 6.