"In the Mengyin formation of Ning-Chia-Kou, Shantung, Lower Cretaceous", China [details]
"Chioa-Hsien, east Shantung" (China) [details]
"In the Wangshih formation of the Upper Cretaceous of Chioa-Hsien, east Shantung" [Shandong Province, China] [details]
"In the Wangshih formation of Chiao-Hsien, east Shantung (loc . 220)" [Shandong Province, China] [details]
"In the Wangshih formation of Chiao-Hsien, east Shantung (loc . 220)" [Shandong Province, China] [details]
"in the gray shales in the lower part of the Wangshih series of Chiao-Hsien, east Shantung (loc. 220)" [Shandong ... [details]
"in the gray shales which form the basal part of the Chingshan Formation which disconformably overlies the Laiyang ... [details]
"from the Mengyin formation at Ning Chia-Kou", Shandong Providence [details]
"from the Mengyin formation at Ning-Chia-Kou, Shantung", China [details]