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Spiniferites velatus
General Images Stratigraphy Description Literature Notes
velatus
Clarke, R.F.A. and Verdier, J.P. (1967)
Prince, I. M., Jarvis, I., Pearce, M. A., & Tocher, B. A. (2008)
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active
Nematosphaeropsis velata
Culversphaera velata
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