A new ammonite genus from the Lower Jurassic (Upper Sinemurian) of Dorset, England

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作者
Donovan, DT [1 ]
机构
[1] UCL, Dept Geol Sci, London WC1E 6BT, England
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中图分类号
Q91 [古生物学];
学科分类号
0709 ; 070903 ;
摘要
Bagnolites stuarti gen. et sp. nov. is described from the lower part of the Lias Group (Lower Jurassic, Upper Sinemurian, Obtusum Zone, Stellare Subzone) of the Dorset coast. It is characterized by an involute shell with smooth, trigonal whorls and a distinctive suture line. Its systematic assignment is uncertain but it may be a derivative of the family Arietitidae.
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页码:993 / 999
页数:7
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