Bivalvia | Unionida | Unionoidea | Unionidae | Hadrodon trigonus

nominal species Hadrodon trigonus Yen, 1952

Hadrodon trigonus Yen, 1952 = Hadrodon trigonus

Yen, 1952. U.S. Geol. Surv. Prof. Pap. 233-B: 38, pl. 4, figs. 3a-f; pl. 5, figs. 1a-d.

Taxonomic Opinions

= Hadrodon trigonus Yen — Good, 2004: 169.

= Hadrodon trigonus Yen, 1952 — Evanoff et al., 1998: 427.

= Hadrodon trigonus n. sp. — Yen, 1952: 38, pl. 4, figs. 3a-f; pl. 5, figs. 1a-d.