Publication Date:
1916-02-01
Description:
In 1844 Carpenter [1] divided the fossils then known as Terebratula into two groups—a perforate group, having the test covered with minute pores, and an imperforate group (the Rhynchonellids). These perforations (see Plate III) correspond to tubular processes of the mantle.
Print ISSN:
0016-7568
Electronic ISSN:
1469-5081
Topics:
Geosciences
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