Bivalvia | ... | Unionoidea | Unionidae | Ambleminae | Lampsilini | Mesonaias tampicoensis

nominal species Actinonaias (Disconaias) walkeri H.B. Baker, 1922

Actinonaias (Disconaias) walkeri H.B. Baker, 1922 = Mesonaias tampicoensis

H.B. Baker, 1922. Occ. Pap. Mus. Zool. Univ. Mich. (106): 20, pl. 1, fig.s 1-2; pl. 9, fig. 49; pl. 10, figs. 48-50; pl. 11, figs. 48-49.
Type(s): HOLOTYPE (ORIG. DESIG.) UMMZ_31844, Rio San Juan, Mexico.

= Mesonaias tampicoensis

Taxonomic Opinions

+ Mesonaias tampicoensis (Lea, 1838) — Cummings et al., 2025

= Actinonaias walkeri Baker, 1922 — Contreras-Arquieta, 2000

= Actinonaias walkeri Baker, 1922 — R.I. Johnson, 1998

+ Lampsilis (Disconaias) fimbriata Frierson, 1907 — Haas, 1969

+ Lampsilis (Disconaias) fimbriata Frierson, 1907 — Frierson, 1927