Gastropod egg capsules from the Lower Cretaceous of Russia preserved by calcitization

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• 作者：Michał Zatoń^a ; ^{mzaton@wnoz.us.edu.pl} ; Alexandr A. Mironenko^b ; Kamila Banasik^a
• 关键词：Gastropoda ; Egg capsules ; Calcitization ; Taphonomy ; Ammonites ; Cretaceous
• 刊名：Palaeogeography, Palaeoclimatology, Palaeoecology
• 出版年：2017
• 出版时间：15 January 2017
• 年：2017
• 卷：466
• 期：Complete
• 页码：326-333
• 全文大小：1237 K
• 卷排序：466

文摘

Gastropod egg capsules are reported from the Lower Cretaceous. The capsules were laid down within empty ammonite body chambers. The capsules underwent calcitization. Some of the capsules are three-dimensionally preserved. Calcitized gastropod egg capsules are reported for the first time.