Cyrtoconic nautiloid cephalopods from the British Silurian

被引：7

作者：

Holland, Charles Hepworth ^{[1
]}

机构：

[1] Trinity Coll Dublin, Dept Geol, Dublin 2, Ireland

来源：

PROCEEDINGS OF THE GEOLOGISTS ASSOCIATION | 2007年 / 118卷

关键词：

cephalopods; cyrtocones; Silurian; Britain;

D O I：

10.1016/S0016-7878(07)80004-6

中图分类号：

P5 [地质学];

学科分类号：

0709 ; 081803 ;

摘要：

Three British Silurian species of the cephalopod order Orthocerida are described, two of Cyrtocycloceras and one of Gaspocyrtoceras. Five species described from the order Oncocerida include two of Amphicyrtoceras and one each of Cyrtorizoceras, Oonoceras and Bassettoceras, the last genus being new, as are the species Cyrtorizoceras yochelsoni and Amphicyrtoceras rickardsi. Their distributions are indicated.

引用

页码：365 / 373

页数：9

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