Pilsbry, H.A. 1910. Unionidae of the Panuco River system, Mexico. Proceedings of the Academy of Natural Sciences of Philadelphia 61: 532-539. Available electronically.

Pilsbry, 1910. Proc. Acad. Nat. Sci. 61: 538, pl. 27, figs. 3-4.
Type(s): LECTOTYPE ANSP_99522 (by Johnson & Baker, 1973: 152), Coy River, S.L. Potosi, Mex.

Pilsbry, 1910. Proc. Acad. Nat. Sci. 61: 539, pl. 27, fig. 6.
(intro'd as intra-sp. of Unio metallicus Say, 1831)
Type(s): LECTOTYPE [AS HOLOTYPE] ANSP_99523A (by Johnson & Baker, 1973: 156), Ganina River, 3 mi SW San Dieguito, Mexico.

Frierson, 1907. Nautilus 21(8): pl. 12, two lower right figs.
Pilsbry & Frierson, 1908. Nautilus 22(8): 81.
Pilsbry, 1910. Proc. Acad. Nat. Sci. 61: 534.
Type(s): HOLOTYPE ANSP_93810, Tampico, Mex.

Pilsbry, 1910. Proc. Acad. Nat. Sci. 61: 534, pl. 25, figs. 1-4.
Type(s): LECTOTYPE ANSP_99517 (by Johnson & Baker, 1973: 162), Moctezuma R., Mex.

Pilsbry, 1910. Proc. Acad. Nat. Sci. 61: 537, pl. 27, figs. 1-2.
Type(s): LECTOTYPE [AS HOLOTYPE] ANSP_99518 (by Johnson & Baker, 1973: 163), Casa Viejas, T., S.L. Potosi, Mex.
‘von dem Busch’ of Authors.
Martens, 1900. Biol. Centr.-Amer., Moll.: 510, 651.
Pilsbry, 1910. Proc. Acad. Nat. Sci. 61: 533.
Simpson, 1914. Descr. Cat. Naiades: 603.
Frierson, 1927. Check List N. Amer. Naiades: 82.
(error for Unio panacoensis von dem Busch in Philippi, 1843)
of Authors.
Fischer & Crosse, 1894. Miss. Sci. Mexique, Rech. Zool. 2(16): 605 [as ‘Unio (Graphonaias) popei’].
Martens, 1900. Biol. Centr.-Amer., Moll.: 504 [as ‘Unio (Nephronaias) popei’].
Simpson, 1900. Proc. U.S. Nat. Mus. 22: 738 [as ‘Unio (sec. Elliptio)’]. [in part]
Pilsbry, 1910. Proc. Acad. Nat. Sci. 61: 535. [in part]
Ortmann, 1912. Ann. Carnegie Mus. 8: 271 [as ‘Elliptio’].
Simpson, 1914. Descr. Cat. Naiades: 700 [as ‘Unio (sec. Elliptio)’]. [in part]
Frierson, 1927. Check List N. Amer. Naiades: 38 [as ‘Elliptio (Popenaias)’]. [in part]
Haas, 1929. Senckenbergiana 11: 330 [as ‘Elliptio (Popenaias)’]. [in part]
Haas, 1969. Das Tierreich 88: 201 [as ‘Nephronaias (Popenaias)’]. [in part]
Graf & Cummings, 2007. J. Moll. Studies 73: 308 [as ‘Popenaias’]. [in part]
Pfeiffer et al., 2019. Zool. Scripta 48: 504 [as ‘Popenaias’]. [in part]
(misidentified reference to Unio popeii Lea, 1857)

Pilsbry, 1910. Proc. Acad. Nat. Sci. 61: 534, pl. 26, figs. 7-9.
Type(s): LECTOTYPE ANSP_99542, Ganina R., 3 mi SW San Dieguito, S.L. Potosi, Mex.
Pilsbry, 1910. Proc. Acad. Nat. Sci. 61: 536, pl. 25, figs. 5-6.
Type(s): LECTOTYPE ANSP_99529 (by Johnson & Baker, 1973: 170), Valles River, near a small falls about 3 mi below Valles San Luis Potosi, Mexico.
‘Lea’ Pilsbry, 1910. Proc. Acad. Nat. Sci. 61: 533.
(reference to Unio strebelii Lea, 1866)

Pilsbry, 1910. Proc. Acad. Nat. Sci. 61: 536, pl. 26, figs. 1-4.
Type(s): LECTOTYPE ANSP_99520 (by Johnson & Baker, 1973: 173), Valles R., 2 mi above Mecos, S.L. Potosi, Mexico.
+ Unio (Lampsilis) discus var. connectens Martens, 1900
+ Unio panacoensis von dem Busch in Philippi, 1843
+ Unio lapidosus ‘Villa in sched.’ Kobelt, 1893
+ Lampsilis (Proptera) salinasensis Dall, 1908