| 物種 | 原始紀錄物種 | 類群 | 日期 | 行政區 | 資料集 | |
|---|---|---|---|---|---|---|
| Astralium haematragum 白星螺 | Astralium haematragum | 蝸牛與貝類 | Delaware Museum of Nature and Science – Mollusks | |||
| Lunella cinerea 美珠螺 | Lunella cinerea | 蝸牛與貝類 | Delaware Museum of Nature and Science – Mollusks | |||
| Turbo argyrostomus 銀口蠑螺 | Turbo argyrostomus | 蝸牛與貝類 | Delaware Museum of Nature and Science – Mollusks | |||
| Guildfordia yoka 長棘星螺 | Guildfordia yoka | 蝸牛與貝類 | Delaware Museum of Nature and Science – Mollusks | |||
| Guildfordia triumphans 星螺 | Guildfordia triumphans | 蝸牛與貝類 | 1977-12-01 | Delaware Museum of Nature and Science – Mollusks |