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Ordovician strata are well developed in northwestern Jiangxi. The sequence has been studied since the 1930s, but no comprehensive work on the faunas has been carried out. This paper completes the first detailed description of the graptolites from the uppermost Ningkou and Hulo formations in Wuning, Northwestern Jiangxi of Southeast China
The material which forms the basis of the paper was collected by the writer and Miss Zhang Xinn bed by bed in the summer of 1963 from 140 beds at Xinkailing, a small village about 4km to the north of the Wuning county, The section is 29.7 m in thickness, spanning the Nicholsonograptus and Nemagratus gracilis zones. The graptolite fauna includes 115 species belonging to 33 genera. Among them three genera, i.e. Wuninograptus, Protabrograptus and Xiphograptus, have been described before . Most specimens are preserved as flattened rhabdosomes although a few species are represented by relief material.
1. Pterograptidae
2. Tetragraptidae
3. Phyllograptidae
4. Sinograptidae
5. Kalpinograptidae
6. Azygograptidae
7. Nemagraptidae
8. Dicranograptidae
9. Cryptograptidae
10. Glossograptidae
11. Diplograptidae
12. Dicaulograptidae
13. Reteograptidae
14. Lasiograptidae
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