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| Author | : | Astre, G. |
| Year of publication | : | 1961 |
| Reference letter | : | b |
| Title | : | Pachytraga tubuleux du Barrémien du Doubs. |
| Journal | : | Bulletin de la Société d'Histoire naturelle de Toulouse |
| Vol/No/Pages/Plates | : | 96: 205-222, 33 figs. |
| Published in | : | Toulouse |