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Spiniferites ramosus var. angustus
| ramosus var. angustus | |
| Wetzel, W. (1952) | |
| Lentin, J.K. and Williams, G.L. (1985) | |
| active | |
| ramosus var. angustus | |
| Wetzel, W. (1952) | |
| Lentin, J.K. and Williams, G.L. (1985) | |
| active | |