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Commentary

 

作者: DaveG. Keighley,   RonK. Pickerill,  

 

期刊: Ichnos  （Taylor Available online 1995）
卷期: Volume 3, issue 4  

页码: 301-309

 

ISSN:1042-0940

 

年代: 1995

 

DOI:10.1080/10420949509386400

 

出版商: Taylor & Francis Group

 

关键词: invertebrate trace fossils;Palaeophycus;Planolites;burrow linings;ethology

 

数据来源: Taylor

 

摘要:

Planolites, although strictly a junior synonym ofPalaeophycus, can be retained as a valid ichnotaxon on the basis of stability of nomenclature. As emended by Pemberton and Frey (1982) and consistently adopted by later authors,Planolitesis diagnosed primarily on the basis that it is an unlined simple burrow, whereasPalaeophycusis a lined burrow. Other ichnotaxobases and ethological considerations are, without exception, subordinate to this directive.

 

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