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标题：Distraction sinking and fossilized coleoid predatory behaviour from the German Early Jurassic
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作者：Christian Klug ; Günter Schweigert ; Dirk Fuchs 等
期刊名称：Swiss Journal of Palaeontology
印刷版ISSN：1664-2376
电子版ISSN：1664-2384
出版年度：2021
卷号：140
期号：1
页码：1-12
DOI：10.1186/s13358-021-00218-y
语种：English
出版社：SpringerOpen
摘要：Abstract Exceptional fossil preservation is required to conserve soft-bodied fossils and even more so to conserve their behaviour. Here, we describe a fossil of a co-occurrence of representatives of two different octobrachian coleoid species. The fossils are from the Toarcian Posidonienschiefer of Ohmden near Holzmaden, Germany. The two animals died in the act of predation, i.e. one had caught the other and had begun to nibble on it, when they possibly sank into hypoxic waters and suffocated (distraction sinking). This supports the idea that primitive vampyromorphs pursued diverse feeding strategies and were not yet adapted to being opportunistic feeders in oxygen minimum zones like their modern relative Vampyroteuthis.