| Referens | Steiner, G. and A.R. Kabat, 2004 Catalog of species-group names of recent and fossil Scaphopoda (Mollusca). Zoosystema 26(4):549-726. |
| Ref. | 1821 Steiner, G. and A.R. Kabat, 2004 |
| Sida | 655 |
| Named Used as Valid | Entalina tetragona |
| Observationsplats | Northern Italy. |
| Distribution | Europe. |