Bivalvia | Unionida | Unionoidea | Unionidae | Costanaia arciformis

nominal species Costanaia arciformis MacNeil, 1935

Costanaia arciformis MacNeil, 1935 = Costanaia arciformis

MacNeil, 1935. Jour. Paleont. 9: 13, pl. 3, figs. 3-12; pl. 5, figs. 14-15.

Taxonomic Opinions

+ — Millard, 2001: 1060.

= Costanaia arciformis MacNeil, 1935 — Starobogatov, 1970: 64.

= Costanaia arciformis MacNeil — Haas, 1969: N439, fig. D35:8.

= Costanaia arciformis MacNeil, 1935 — Modell, 1957: 190.

= Costanaia arciformis n. sp. — MacNeil, 1935: 13, pl. 3, figs. 3-12; pl. 5, figs. 14-15.