(†) Cerithium modestum C.B. Adams, 1850

Cerithium modestum C.B. Adams, 1850: 117 .

Triphoris modestus (C.B. Adams, 1850) — Mörch 1876: 107.

Triforis modestum (C.B. Adams, 1850) — Tryon 1887: 188.

Triforis perversa var. modesta (C.B. Adams, 1850) — Dall 1892: 264.

Triphora modestum (C.B. Adams, 1850) —de Jong & Coomans 1988: 50.

Triphora modesta (C.B. Adams, 1850) — Díaz & Puyana 1994: 148, fig. 525.

Marshallora modesta (C.B. Adams, 1850) — Rolán & Fernández-Garcés 1995: 10, fig. 1–4.

Type locality. Jamaica.

Type material. MCZ 186180, lectotype . MCZ 186181, paratype .

Distribution. ABC–Islands (de Jong & Coomans 1988; Díaz & Puyana 1994; Díaz & Miloslavich 2010), Antigua (Zhang 2011), Bahamas (Redfern 2001; Dowgiallo 2004), Colombia (Díaz & Puyana 1994; Aguirre-Aguirre et al. 2007; Gutiérrez-Salcedo et al. 2007; Díaz & Miloslavich 2010; Rodríguez & Campos 2013; Lamy & Pointier 2017; Fernandes & Segadilha 2019), Costa Rica (Espinosa & Ortea 2001; Díaz & Miloslavich 2010; Lamy & Pointier 2017), Cuba (Rolán & Fernández-Garcés 1995; Espinosa et al. 2007; Rolán & Fernández-Garcés 2007; Díaz & Miloslavich 2010; Espinosa et al. 2012; García 2016; Lamy & Pointier 2017), Guadeloupe (Rolán & Fernández-Garcés 2015; Lamy & Pointier 2017), Gulf of Mexico (Rosenberg et al. 2009), Jamaica (Adams 1850; Mörch 1876; Dall 1892; Clench & Turner 1950; Rosenberg et al. 2009; Díaz & Miloslavich 2010; Lamy & Pointier 2017), Mexico (Treece 1980), Panama (Olsson & McGinty 1958; Díaz & Miloslavich 2010; Lamy & Pointier 2017), United States, Florida (Dall 1892; Gundersen 1997; Rosenberg et al. 2009; Lamy & Pointier 2017), United States Virgin Islands, Saint Thomas (Mörch 1876), Venezuela (Márquez & Jiménez 2002; Reyes et al. 2007).

Geological age. Pliocene (Dall 1892), Miocene (Dall 1892).

Remarks. Lectotype designated by Clench & Turner (1950).