| Citation | Poppe, G.T., S.P. Tagaro and S.-I. Huang, 2023 The recent Colloniidae with a study of the Colloniidae collected by various expeditions of the Museum national d'Histoire naturelle, Paris. ConchBooks: Germany. 372p. | |
| Ref. | 129661 Poppe, G.T., S.P. Tagaro and S.-I. Huang, 2023 | |
| Page | 26 | |
| Named Used as Valid | Triangularis nuda | |
| Locality | ||
| Distribution | Japan (Minami-Ensei, in front of Niigata Province). | |
| Quote | size: 6 mm. |