Bolbapium caesum (Klug, 1845)

Bolboceras caesus Klug 1845: 54 (Guyana)

Distribution. Guyana: Klug 1845: 54 (as Bolboceras caesus); Erichson 1848: 563 (as Bolboceras caesus); Luederwaldt 1931b: 436 (as Bolboceras caesum); Blackwelder 1944: 220 (as Bolboceras caesa); Martínez 1976: 546. French Guiana: Boilly 2011b: 24; Brûlé et al. 2014: 174; MHCN. “Guianas”: Boucomont 1912: 8 (as Bolboceras caesum). Venezuela (EO): Martínez 1976: 546 (EO). Other: Blackwelder 1957: 1399 (Colombia - as Bolboceras caesa).