Setatella significans, a new name for mickwitziid stem group brachiopods from the lower Cambrian of Greenland and Labrador

被引：18
作者：
Skovsted, C. B. [1 ]
Streng, M. [1 ]
Knight, I. [2 ]
Holmer, L. E. [1 ]
机构：
[1] Uppsala Univ, Dept Earth Sci, SE-75236 Uppsala, Sweden
[2] Geol Survey, Dept Nat Resources, Govt Newfoundland & Labrador, St John, NF A1B 4J6, Canada
来源：
GFF | 2010年 / 132卷 / 02期
基金：
瑞典研究理事会;
关键词：
Brachiopoda; Mickwitzia; shell penetrating setae; lower Cambrian; Greenland; Labrador; SHELL STRUCTURE; AFFINITIES; FAUNA; SCLERITOME; ORDOVICIAN; ONTOGENY; MICRINA; BASTION; FOSSIL; ISLAND;
D O I：
10.1080/11035897.2010.490878
中图分类号：
P5 [地质学];
学科分类号：
0709 ; 081803 ;
摘要：
Setatella significans gen. et sp. nov. from the Lower Cambrian of North-East Greenland, originally described under the name 'Mickwitzia cf. occidens', is introduced as a probable stem group brachiopod. Newly collected specimens of Setatella significans from the Forteau Formation of southern Labrador exhibit new morphological details and provide a better understanding of its ontogeny. Setatella significans differs from species of Mickwitzia in having a ventral pseudointerarea and hemiperipheral growth in both valves. Setatella significans probably belongs to the derived stem group of the Linguliformea that can be differentiated from the more primitive Mickwitzia. The geographic range of Setatella is extended to southern Labrador.
引用
收藏
页码：117 / 122
页数：6
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