Lin, Q.-b., Yao, Y.-m., Xiang, W.-d. & Xia, Y.-r. (1988). An Oligocene micropalaeoentomofauna from Gubei district of Shandong and its ecological environment. Acta Micropalaeontologica Sinica 5: 331–345. ZooBank: D87C1E58-7234-4CAC-9411-39CE6858B806
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