Baker, H.B. 1922. The Mollusca collected by the University of Michigan-Walker Expedition in Southern Vera Cruz, Mexico. I. Occasional Papers of the Museum of Zoology, University of Michigan (106). 95 pp. https://hdl.handle.net/2027.42/56545.
‘von Martens’ of Authors.
Simpson, 1914. Descr. Cat. Naiades: 311.
H.B. Baker, 1922. Occ. Pap. Mus. Zool. Univ. Mich. (106): ??.
(error for Arotonaias Martens, 1900)
Type species: Unio cyrenoides Philippi, 1847 = Arotonaias cyrenoides

H.B. Baker, 1922. Occ. Pap. Mus. Zool. Univ. Mich. (106): 13, pl. 1, figs. 6-7; pl. 3, fig. 22; pl. 4, figs. 20-25.
(intro'd as intra-sp. of Unio liebmanni Philippi, 1847)
Type(s): HOLOTYPE (ORIG. DESIG.) UMMZ_31904, Rio San Juan, Mexico.

H.B. Baker, 1922. Occ. Pap. Mus. Zool. Univ. Mich. (106): 29, pl. 11, fig. 53; pl. 12, fig. 53; pl. 13, figs. 51-54.
Type(s): HOLOTYPE UMMZ_34891, Rio San Juan, Mexico.

H.B. Baker, 1922. Occ. Pap. Mus. Zool. Univ. Mich. (106): 27, pl. 8, fig. 39-42.
(intro'd as intra-sp. of Unio (Lampsilis) rovirosai Pilsbry, 1900)
Type(s): HOLOTYPE (ORIG. DESIG.) UMMZ_34890, Rio San Juan, nr Haciendo de Cuatotolapam, Mexico.

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.