Discinid brachiopod life assemblages: Fossil and extant

被引：20
作者：
Mergl, Michal [1 ]
机构：
[1] Univ W Bohemia, Dept Biol, Plzen 30614, Czech Republic
来源：
BULLETIN OF GEOSCIENCES | 2010年 / 85卷 / 01期
关键词：
Discinidae; Brachiopoda; life assemblages; palaeoecology; Devonian; Carboniferous; Libya; England; Discinisca; Orbiculoidea; SOOM SHALE LAGERSTATTE; ORDOVICIAN;
D O I：
10.3140/bull.geosci.1161
中图分类号：
P [天文学、地球科学];
学科分类号：
07 ;
摘要：
Clusters of discinid brachiopod shells observed in Devonian and Carboniferous strata are interpreted as original life assemblages. The clusters consist of Gigadiscina lessardi (from Algeria), Oehlertella tarutensis (from Libya), Orbiculoidea bulla and O. nitida (both from England). Grape-like clusters of the Recent species Discinisca lamellosa and D. laevis are described and their spacing and size-frequency distribution are discussed. The possible function of clustering as protection against grazing pressure is suggested.
引用
收藏
页码：27 / 38
页数：12
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