Cerithium (Triforis) bigemma R.B. Watson, 1880

Cerithium (Triforis) bigemma R.B. Watson, 1880: 101 .

Triforis bigemma (R.B. Watson, 1880) — Dall 1881: 81.

Triforis (Sychar) bigemma (R.B. Watson, 1880) —Dall 1889: 248.

Triphora bigemma (R.B. Watson, 1880) — Abbott 1974: 112.

Strobiligera bigemma (R.B. Watson, 1880) — Rolán & Fernández-Garcés 2007: 14

Inella bigemma (R.B. Watson, 1880) — Rolán & Fernández-Garcés 2008: 98, fig. 9a–b, 36b.

Type locality. U.S. Virgin Islands, Saint Thomas, North of Culebra Island, 18°38’30” N, 65°5’30” W, about 713 m deep, coral–mud .

Type material. NHMUK 1887.2.9.1762, lectotype .

Distribution. Bahamas (Dowgiallo 2004), Gulf of Mexico (Rosenberg et al. 2009), Puerto Rico (Rosenberg et al. 2009; Fernandes & Pimenta 2014), United States, Georgia (Abbott 1974), United States Virgin Islands, Saint Thomas (Watson 1880; Watson 1886; Paetel 1888; Dall 1889a; Dall 1889b; Albano et al. 2019), Yucatan Strait (Dall 1881; Watson 1886; Rosenberg et al. 2009).

Remarks. Lectotype designation by Rolán & Fernández-Garcés (2008). The distribution of this species is only known with certainty from the type location, Culebra Island (Rolán & Fernández-Garcés 2008), records from other locations are not likely to be conspecific with the species in question.