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nominal species Quadrula (Cyclonaias) tuberculata utterbackiana Frierson, 1927

Quadrula (Cyclonaias) tuberculata utterbackiana Frierson, 1927 = Cyclonaias tuberculata

‘Lea’ Utterback, 1915. Amer. Midl. Nat. 4(5): 183, pl. 20, fig. 57a-b [as ‘Plethobasus cooperianus’].
Frierson, 1927. Check List N. Amer. Naiades: 52, sp. 224c.
(intro'd as intra-sp. of Obliquaria (Rotundaria) tuberculata Rafinesque, 1820)

Taxonomic Opinions

+ Cyclonaias tuberculata (Rafinesque, 1820) — Lopes-Lima et al., 2019: 4 [Suppl. Appendix 2].

+ Cyclonaias tuberculata (Rafinesque, 1820) — Watters et al., 2009: 65.

+ Cyclonaias tuberculata (Rafinesque, 1820) — Williams et al., 2008: 158.

+ Cyclonaias tuberculata (Rafinesque, 1820) — R.I. Johnson, 1980: 90.

= Cyclonaias tuberculata utterbackiana (Frierson, 1927) — Haas, 1969: 607.

= Quadrula (Cyclonaias) tuberculata-utterbackiana Frierson, 1927 — Frierson, 1927: 52, sp. 224c.