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Impletosphaeridium tribuliferum
General Images Stratigraphy Description Literature Notes
tribuliferum
Sarjeant, W.A.S. (1962a)
Fauconnier, D and Masure, E. (2004)
active
163.79
144.13
Cleistosphaeridium tribuliferum
Downiesphaeridium tribuliferum
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