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†Pseudoleiostegium Qian 1986
urn:lsid:organismnames.com:name:4372620
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271
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†Pseudoleiostegium Qian 1986
Qian 1986. Trilobites. Aspects of Cambrian-Ordovician Boundary in Dayangcha, China., China Prospect Publishing House, Beijing, 1986: i-ii, 1-410. Chapter pagination: 255-313