Publication Date:
1988-05-01
Description:
Several critical morphological features for the discrimination of Nummulites species are discussed and redefined, and three orders of septal filament are distinguished. A change in mode of growth, following the loss of the marginal cord in the adult stages of some species, is described.
Print ISSN:
0262-821X
Electronic ISSN:
2041-4978
Topics:
Geosciences
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