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†Petalocephalus Lu & Qian 1983
urn:lsid:organismnames.com:name:416100
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lviliCmi
...
†Petalocephalus Lu & Qian 1983
Lu & Qian 1983. New zonation and correlation of the Upper Cambrian Changshanian stage in north China. Acta Palaeontologica Sinica, 22(3) 1983: 235-254