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Surface sediment samples collected
from some 250 sampling stations serve as materials for a comprehensive
study of the foraminiferal fauna of the East China Sea. Preliminary results
of qualitative and quantitative faunal analyses (No. of specimens/50 g
dry sediment) of the samples show that this region is rich in benthic
foraminiferal fauna. The agglutinated species amount to 2/3 of the total
number of agglutinated foraminifera reported for the Pacific region by
Saidove (1966). The present paper presents a taxomomic study of 146 species
of porcelaneous foraminifera belonging to 33 genera classified under 5
families. Two genera and 25 species are new. Aside from fiving a detailed
description of the external morphology of species illustrated in thirtythree
plates, the internal chamber arrangement of over a hundred species, represented
mostly by cross-sections, and a few by horizontal sections, are contained
in the plates and text figures, A general account of the distribution
of major genera and species is also given
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