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†Helcionella tianzhushanensis Yu Wen 1979
urn:lsid:organismnames.com:name:99951
Microreference
251
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†Helcionella tianzhushanensis Yu Wen 1979
Yu Wen 1979. Earliest Cambrian monoplacophorans and gastropods from western Hubei with their biostratigraphical significance. Acta Palaeontologica Sinica, 18(3) 1979: 233-270