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| Author | : | PALMER 1928 |
| Current genus | : | Immanitas |
| Type(s) | : | California Academy of Science (San Francisco, California): 2155 - Albian, Paso del Rio (Colima, Mexico) |
| 1928 | Immanites rotunda Palmer, new species -- PALMER , p. 32, pl.5, fig.1 | |
| 1930 | I. rotundus [sic] Palm. -- BURCKHARDT , p. 206 | |
| 1934 | Immanites rotunda Palmer 1928 -- KUTASSY , p. 180 | |
| 1937 | Immanitas rotunda Palmer -- MAC GILLAVRY , p. 92 | |
| 1977 | Immanitas rotunda Palmer -- COOGAN , pp. 60, 68 | |
| ? | 1977 | Immanitas sp.?, cf. I. rotunda Palmer -- COOGAN , pl.15, fig-7 |