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| Author | : | Schroeder, R. |
| Author 2 | : | Simmons, M.D. |
| Year of publication | : | 1989 |
| Title | : | The type of the genus Orbitolina d'Orbigny, 1850 (Foraminifera) . |
| Journal | : | Journal of Micropalaeontology |
| Vol/No/Pages/Plates | : | 8, 1: 87-90 |
| Published in | : | London |
References:
Orbulites concava Lamarck, 1816 - p. 89 = Orbitolina concava concava LAMARCK 1816a