| Species name | Common name | Distribution | Max. Length (cm) | 
|---|---|---|---|
| Nicon aestuarensis Knox, 1951  | 
					Eastern Pacific | ||
| Nicon ehlersi Hartman, 1953  | 
					Antarctic Atlantic | ||
| Nicon japonicus Imajima, 1972  | 
					Northwest Pacific | ||
| Nicon maculata Kinberg, 1866  | 
					Antarctic Indian Ocean | ||
| Nicon moniloceras (Hartman, 1940)  | 
					Western Central Atlantic and Eastern Pacific | ||
| Nicon peruviana Brekeley & Berkeley, 1964  | 
					Eastern Pacific | ||
| Nicon pettiboneae Leon-Gonzalez & Salazar-Vallejo, 2003  | 
					Western Central Pacific |