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Coiled nautiloid cephalopods from the British Silurian
被引:8
|作者:
Holland, Charles Hepworth
[1
]
机构:
[1] Trinity Coll Dublin, Dept Geol, Dublin 2, Ireland
关键词:
Cephalopods;
Coiled forms;
Silurian;
Britain;
D O I:
10.1016/j.pgeola.2010.01.004
中图分类号:
P5 [地质学];
学科分类号:
0709 ;
081803 ;
摘要:
Coiled nautiloid cephalopods from the British Silurian are described and their taxonomy revised. The Order Oncocerida is represented by a single specimen of Oxygonioceras oxynotum. Twelve species from the Order Tarphycerida (within which is here subsumed the Order Barrandeocerida) are described: one of Trocholites, two of Ophioceras, two of Catyrephoceras, three of Lechitrochoceras, one of Peismoceras, two of Systrophoceras, and one of Uranoceras. Their distribution, stratigraphical and geographical, is indicated. (C) 2010 The Geologists' Association. Published by Elsevier Ltd. All rights reserved.
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页码:13 / 23
页数:11
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