Name: Pupa bicolor Hutton, 1834
| Is synonym of | Gulella bicolor | |
| Reference | Terrestrial molluscs of Aruba, Bonaire and Curaçao in the Dutch Caribbean: an updated checklist and guide to identification | |
| Is synonym of | Gulella bicolor | |
| Reference | Terrestrial molluscs of Aruba, Bonaire and Curaçao in the Dutch Caribbean: an updated checklist and guide to identification | |