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†Protozaphrentis Yu 1957
urn:lsid:organismnames.com:name:2192557
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†Protozaphrentis Yu 1957
Yu 1957. On the Occurrence of a New Rugose Coral from the Middle Ordovician of Sinkiang Province, N.W. China. Acta Palaeontologica Sinica, 5(2) 1957: 307-323