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| Families | Genera | Species |
| Publications | Localities | Lithostratigraphy |
| Author | : | MONTANARI 1964 |
| Original genus | : | Orbitolina |
| Current genus | : | Palorbitolina |
| Current genus assigned | : | CHIOCCHINI et al. 1994 |
| Type(s) | : | Istituto di Geologia e Paleontologia dell'Università (Palermo): MP 236 (Holotype) - Upper Barremian to Lower Aptian, Palermo, Monte Pellegrino, Vetta del P.zo Refuliata (Sicilia, Palermo, Italy) |
| 1964 | Orbitolina praecursor n. sp. -- MONTANARI , p. 265, pl. 19-21 | |
| 1979 | Palorbitolina lenticularis praecursor (Montanari) -- ARNAUD-VANNEAU , pl. 1: 11 | |
| 1994 | Palorbitolina lenticularis praecursor (Montanari) -- CHIOCCHINI et al. , pl. 8: 5 |