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†Gyrazonatheca Qian 1978
urn:lsid:organismnames.com:name:223711
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130
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†Gyrazonatheca Qian 1978
Qian 1978. Xiadong diqu zhendanji zhi erdieji diceng gushengwu. [Sinian to Permian stratigraphy and palaeontology in the Xiadong area.] Dizhi Chuban She, Peking, 1978: 1-381