Publisher's Synopsis
Excerpt from Bulletins of American Paleontology, 1965, Vol. 49
As most of the species discussed in this article are still living, the interpretations given could be checked readily by Observation of cultured specimens. If the postulates made by study of the external appearance and internal structure were substantiated by life history studies. Of these and other living species of larger Foraminifera, the interpretations of fossil specimens could be improved.
However, life history studies might demonstrate that variation is not so extreme as studies Of the test alone have suggested. If this is so, the endless division of specimens into species and genera, which has been the fashion in recent years, would have to be accepted.
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