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Spinidinium rugosum
| rugosum | |
| Stanley, E.A. (1965) | |
| Costa, L.I. and Downie, C. (1979) | |
| S_rugosum, Stanley, 1965, Bull. Amer. Paleont., 49 (222) vol.6 -- 2.jpg | |
| active | |
|
No synonyms
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