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| NON posseduto | |
| Autore principale: | Sowerby, George Brettingham, 1788-1854.
|
| Titolo: | Description of a new species of Astacus found in a fossil state at Lyme Regis in Dorsetshire / by G.B. Sowerby ; communicated by H.T. De la Beche. |
| In: |  Zoological journal Vol. 2 (1826), p. 493-494 |
| 000000171795 |
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