菊石(图源@ smuki/Fotolia)
说了这么多,
不如给自己珍藏一份化石吧!
[1] Xiang Fang, Yunbai Zhang, Tingen Chen,等. A quantitative study of the Ordovician cephalopod species Sinoceras chinense (Foord) and its palaeobiogeographic implications[J]. Alcheringa: An Australasian Journal of Palaeontology, 2017.
[2] Fang X , Li C , Li W J , et al. Sinoceras chinense (Foord, 1888) in western Thailand: first identification outside China[J]. Palaeoworld, 2020.
[3] Belemnites originated in the Triassic—A new look at an old group
[4] Monnet C , Klug C , Baets K D . Evolutionary Patterns of Ammonoids: Phenotypic Trends, Convergence, and Parallel Evolution[J].
Geology、Science、BBC、维基百科、搜狐、百度百科等
来源:桔灯勘探

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