Bivalvia | ... | Unionoidea | Unionidae | Ambleminae | Popenaiadini | Nephronaias calamitarum

nominal species Unio calamitarum var. G arcuans Fischer & Crosse, 1894

Unio calamitarum var. G arcuans Fischer & Crosse, 1894 = Nephronaias calamitarum

Fischer & Crosse, 1894. Miss. Sci. Mexique, Rech. Zool. 2(16): 612, pl. 64, figs. 5-5a.
(intro'd as intra-sp. of Unio calamitarum Morelet, 1849)
Type(s): HOLOTYPE (MONOTYPY) BMNH_93-2-4-2009, Baluntie, near Palenque.

Taxonomic Opinions

+ Nephronaias calamitarum (Morelet, 1849) — Cummings et al., 2025: 239, pl. 44 bottom left.

+ Nephronaias (s.s.) calamitarum (Morelet, 1849) — Haas, 1969: 195.

+ Elliptio (Nephronaias) dysoni (Lea, 1859) — Frierson, 1927: 37.

= Nephronaias calamitarum var. arcuans (Crosse & Fischer, 1894) — Simpson, 1914: 280.

= Unio (Simonaias) cuprinus var. arcuans Crosse & Fischer, 1894 — Martens, 1900: 506.

+ — Simpson, 1900.

= Unio (Simonaias) calamitarum var. G arcuans — Fischer & Crosse, 1894: 613, pl. 64, figs. 5-5a.