首页   按字顺浏览 期刊浏览 卷期浏览 Ordovician and Silurian coronates (echinodermata) from Czechoslovakia
Ordovician and Silurian coronates (echinodermata) from Czechoslovakia

 

作者: C. R. C. Paul,  

 

期刊: Geological Journal  (WILEY Available online 1985)
卷期: Volume 20, issue 1  

页码: 21-29

 

ISSN:0072-1050

 

年代: 1985

 

DOI:10.1002/gj.3350200103

 

出版商: John Wiley&Sons Ltd

 

关键词: Coronate;Echinodermata;Ordovician;Silurian;Czechoslovakia

 

数据来源: WILEY

 

摘要:

AbstractCoronates form a small but distinctive group of lower Palaeozoic echinoderms, most closely related to eublastoids. The coronate fauna of Czechoslovakia includesMespilocystites bohemicusBarrande 1887 from the Lower and Middle Caradoc, characterized by a conical theca, coronal processes which diverge markedly upwards, and distinctly angled radial furrows;Stephanoblaslus mints(Barrande 1887), from the Wenlock, typified by an elongate bud‐shaped theca with three radiating keels at the base and a very narrow stem; and‘Stephanocrinus’ gemmiformis(Hall 1852) from the Ludlow, with a cup‐shaped theca and low coronal processes.‘S.’ gemmiformishas not previously been reported from outside North America or above

 

点击下载:  PDF (851KB)



返 回