Diplodon (s.s.) aureus Simpson, 1900
‘Swainson’ Küster, 1861. Conchyl. Cab. 9(2): 161, pl. 46, fig. 3 [as ‘Unio auratus’].
Simpson, 1900. Proc. U.S. Nat. Mus. 22: 883.
Simpson, 1914. Descr. Cat. Naiades: 1268.

Unio ambiguus Küster, 1861
‘Lamarck’ Küster, 1861. Conchyl. Cab. 9(2): 165, pl. 48, fig. 1.

Unio anodontinus Küster, 1861
‘Lamarck’ Küster, 1861. Conchyl. Cab. 9(2): 240, pl. 80, fig. 5.

Unio auratus Küster, 1861
‘Swainson’ Küster, 1861. Conchyl. Cab. 9(2): 161, pl. 46, fig. 3.

Unio australis Küster, 1861
‘Lamarck’ Küster, 1861. Conchyl. Cab. 9(2): 230, pl. 77, fig. 6.

Unio baletonicus Küster, 1861
‘Ziegler in litt.’ Küster, 1861. Conchyl. Cab. 9(2): 231, pl. 78, fig. 1.

Unio barrotti Küster, 1861
‘Lea’ Küster, 1861. Conchyl. Cab. 9(2): 189, pl. 59, fig. 6.

Unio baykinianus Küster, 1861
‘Lea’ of Authors.
Küster, 1861. Conchyl. Cab. 9(2): 181.
Paetel, 1890. Cat. Conch.-Samml. 3: 145.

Unio bigorrensis Lea, 1852
‘Millet’ Lea, 1852. Synopsis Fam. Naiades: 39.
‘Millet’ Küster, 1861. Conchyl. Cab. 9(2): 230.
‘Millet’ Lea, 1870. Synopsis Fam. Naiades: 63.
‘Locard’ Simpson, 1900. Proc. U.S. Nat. Mus. 22: 692.

Unio bucklei Küster, 1861
‘Lea’ Küster, 1861. Conchyl. Cab. 9(2): 177.

Unio chiloensis Küster, 1861
‘Philippi’ Küster, 1861. Conchyl. Cab. 9(2): 161, pl. 35, fig. 6 [as ‘chiloënsis’].

Unio coeruleus Lea, 1836
‘Lea’ of Authors.
Lea, 1836. Synopsis Fam. Naiades: 26.
Lea, 1838. Synopsis Fam. Naiades: 20.
Lea, 1852. Synopsis Fam. Naiades: 30 [as ‘cœruleus’].
Küster, 1861. Conchyl. Cab. 9(2): 228.
Connolly, 1925. Rec. Albany Mus. 3: [5].

Unio corrianus Küster, 1861
‘Lea’ Küster, 1861. Conchyl. Cab. 9(2): 229, pl. 77, fig. 5.

Unio cuneolus Küster, 1861
‘Lea’ of Authors.
Küster, 1861. Conchyl. Cab. 9(2): 182, pl. 57, fig. 4.
Reeve, 1865. Conch. Icon. 16: pl. 23, sp. 107.

Unio delumbis Küster, 1861
‘Conrad’ Küster, 1861. Conchyl. Cab. 9(2): 207, pl. 69, fig. 1.

Unio ellipticus Küster, 1861
‘Spix & Wagner’ of Authors.
Küster, 1861. Conchyl. Cab. 9(2): 238, pl. 80, fig. 2.
‘Spix’ Sowerby, 1868. Conch. Icon. 16: pl. 74, sp. 382.

Unio eurhynchus Küster, 1861
‘Bronn in lit.’ Küster, 1861. Conchyl. Cab. 9(2): 237, pl. 79, fig. 5.
Type(s): SYNTYPE BMNH_1965217, Minas Geraes, Brasilia.

Unio exanthematicus Küster, 1861
Küster, 1861. Conchyl. Cab. 9(2): 243, pl. 81, figs. 2.

Unio fisherianus Küster, 1861
‘Lea’ Küster, 1861. Conchyl. Cab. 9(2): 205, pl. 68, fig. 6.

Unio flavus Küster, 1861
‘Benson’ Küster, 1861. Conchyl. Cab. 9(2): 233.

Unio gratiosus Küster, 1861
‘Parreiss in sched.’ Küster, 1861. Conchyl. Cab. 9(2): 239, pl. 80, fig. 3.

Unio hydianus Küster, 1861
‘Lea’ Küster, 1861. Conchyl. Cab. 9(2): 201, pl. 67, fig. 1. [in part]

Unio hydianus Küster, 1861
‘Lea’ Küster, 1861. Conchyl. Cab. 9(2): 201, pl. 67, fig. 1. [in part]

Unio kleinianus Küster, 1861
‘Lea’ Küster, 1861. Conchyl. Cab. 9(2): 191, pl. 60, fig. 4.

Unio lugubris Küster, 1861
‘Lea’ Küster, 1861. Conchyl. Cab. 9(2): 234, pl. 79, fig. 1.

Unio maestus Küster, 1861
‘Lea’ Küster, 1861. Conchyl. Cab. 9(2): 226, pl. 76, fig. 5.

Unio mederianus Küster, 1861
‘Mousson’ Küster, 1861. Conchyl. Cab. 9(2): 242, pl. 80, fig. 7.

Unio menkeanus Küster, 1861
‘Lea’ Küster, 1861. Conchyl. Cab. 9(2): 245.

Unio merodabensis Küster, 1861
‘von dem Busch in lit.’ Küster, 1861. Conchyl. Cab. 9(2): 233, pl. 78, fig. 4.

Unio mississippianus Küster, 1861
‘Conrad’ Küster, 1861. Conchyl. Cab. 9(2): 245.

Unio mussolianus Küster, 1861
‘Parreiss in sched.’ Küster, 1861. Conchyl. Cab. 9(2): 244, pl. 82, fig. 1.

Unio nicklianus Küster, 1861
‘Lea’ Küster, 1861. Conchyl. Cab. 9(2): 218.

Unio nitidulus Küster, 1861
‘Ziegler, in lit.’ Küster, 1861. Conchyl. Cab. 9(2): 226, pl. 76, fig. 6.

Unio nux Küster, 1861
‘Lea’ Küster, 1861. Conchyl. Cab. 9(2): 218, pl. 73, fig. 2.

Unio panacoensis Küster, 1861
‘von dem Busch’ Küster, 1861. Conchyl. Cab. 9(2): 242, pl. 81, fig. 1.

Unio parallelepipedon Küster, 1861
‘Lea’ of Authors.
Küster, 1861. Conchyl. Cab. 9(2): 220.
Modell, 1950. Arch. Moll. 79(4/6): 141.

Unio philippianus Küster, 1861
Küster, 1861. Conchyl. Cab. 9(2): 235, pl. 79, fig. 2.

Unio proximus Küster, 1861
‘Lea’ Küster, 1861. Conchyl. Cab. 9(2): 248, pl. 83, fig. 4.

Unio purpuratus Küster, 1861
‘Say’ Küster, 1861. Conchyl. Cab. 9(2): 162.

Unio pussilus Küster, 1861
‘Lea’ Küster, 1861. Conchyl. Cab. 9(2): 197.

Unio reeveanus Küster, 1861
‘Lea’ Küster, 1861. Conchyl. Cab. 9(2): 247.

Unio scyphius Küster, 1861
‘Rafinesque’ Küster, 1861. Conchyl. Cab. 9(2): 181.

Unio sparsus Küster, 1861
‘Lea Mss.’ Küster, 1861. Conchyl. Cab. 9(2): 252, pl. 85, fig. 2.

Unio stegarius Küster, 1861
‘Rafinesque’ Küster, 1861. Conchyl. Cab. 9(2): 211, pl. 70, fig. 3.

Unio subrostratus Küster, 1861
‘Say’ Küster, 1861. Conchyl. Cab. 9(2): 203, pl. 67, fig. 3.

Unio subrostratus Küster, 1861
‘Say’ Küster, 1861. Conchyl. Cab. 9(2): 203, pl. 68, fig. 1.

Unio unduliferus Küster, 1861
Küster, 1861. Conchyl. Cab. 9(2): 162, pl. 46, fig. 4.

Unio (Lampsilis) discus var. connectens Martens, 1900
‘von dem Busch’ Küster, 1861. Conchyl. Cab. 9(2): 242, pl. 81, fig. 1 [as ‘Unio panacoensis’].
Sowerby, 1867. Conch. Icon. 16: pl. 55, sp. 281 [as ‘Unio mexicanus’].
Martens, 1900. Biol. Centr.-Amer., Moll.: 510.
Type(s): LECTOTYPE ZMB/MOLL.305852 (by Cummings et al., 2025: 177), Rio Panuco, near Tampico.