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| Author | : | Schroeder, R. |
| Year of publication | : | 1964 |
| Reference letter | : | c |
| Title | : | Zur Evolution der Cenoman-Orbitolinen. Eine Entgegnung an J. Hofker jun. |
| Journal | : | Neues Jahrbuch für Geologie und Paläontologie, Monatshefte |
| Vol/No/Pages/Plates | : | 11: 682-693 |
| Published in | : | Stuttgart |
References:
Orbitolina (O.) concava concava (Lamarck) - textfig. 3a-d = Orbitolina duranddelgai SCHROEDER 1972
Orbitolina concava pauletensis Schroeder 1962 - fig. 2 = Orbitolina concava pauletensis SCHROEDER 1962