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Spiniferites cingulatus ssp. polygonalis
| cingulatus ssp. polygonalis | |
| Clarke, R.F.A. and Verdier, J.P. (1967) | |
| Paul, C.R.C., Mitchell, S.F., Marshall, J.D., Leary, P.N., Gale, A.S., Duane, A.M. and Ditchfield, P.W. (1994) | |
| active | |