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†Porivallia Sheng 1991
urn:lsid:organismnames.com:name:1037966
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127
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†Porivallia Sheng 1991
Sheng 1991. Organisms and communities of Permian Reef of Xiangbo, China: Calcisponges, Hydrozoans, Bryozoans, Algae, Microproblematica. International Academic Publishers, Beijing, China, 1991: 1-192