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(Figure 1) Distribution of dinoflagellate cysts in the mid-Cretaceous of DSDP...
Species abundance: D = dominant (>100 specimens), A = abundant (51-100), C = common (21-50), F = few (4-20), R = rare (1-3), - = absent. -
(Fig. 9) Distribution of dinoflagellate cysts in Early Cretaceous sediments o...
Species abundance: F = 1-5 %, C = 6-15 %, A = >15 %, - = not present