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The marine Pliocene ostracodes in association with foraminifera, lamellibranches and gastrapods are found richly in the Wanglougang formation from the Leizhou Peninsula and northern Hainan Island, but they are not so much in the underlying Foluo formation as in the above one.The Wanglougang formation consists mainly of grey, lightgrey mudstone, sandy mudstone, siltpelite, siltstone, along with interealated beds of argillaceous sandstone and gravelly sandstone, and in the upper and the lower parts of this formation appear thn-bedded mustone and calcareous mudstone. The foluo formation is composed of yellow, grey-yellow, grey-green gritstone, gravelly sandstone, arper are obtained from the Wanglougang formation. Both formations are overlain by Quaternary deposits, therefore all samples under study are collected from boreholes.
The ostracode fauna from the above mentioned formations contains 65 genera and 166 species belonging to Superfamilies Bairdiacea and Cytheracea and Family Cytherellidae, among which 3 genera and 52 species are described as new to science.
SELECTED CONTENTS
1. Podocopina Sars, 1866
(1) Bairdiacea Sars, 1888
(2) Cypridacea Baird, 1845
(3) Cytheracea Baird, 1850
2. Platycopina Sars, 1866
(1) Cytherellidae Sars, 1866
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