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| Author | : | Gray, J.E. |
| Year of publication | : | 1838 |
| Title | : | On a peculiar structure in shells with some observations on the shell of Sphaerulites. |
| Journal | : | Magazine of Zoology and Botany |
| Vol/No/Pages/Plates | : | 2: 228-232, 1 pl. |
| Published in | : | Edinburgh |