A moment from before 365 Ma frozen in time and space

被引：19

作者：

Blazejowski, Blazej ^{[1
]}

Gieszcz, Piotr ^{[2
]}

Brett, Carlton E. ^{[3
]}

Binkowski, Marcin ^{[4
]}

机构：

[1] Polish Acad Sci, Inst Paleobiol, PL-00818 Warsaw, Poland

[2] Assoc Polish Climatologists, PL-00927 Warsaw, Poland

[3] Univ Cincinnati, Dept Geol, Cincinnati, OH 45221 USA

[4] Silesian Univ, Dept Comp Sci & Mat Sci, Katowice, Poland

来源：

SCIENTIFIC REPORTS | 2015年 / 5卷

关键词：

TRIMEROCEPHALUS; TRILOBITA; BEHAVIOR;

D O I：

10.1038/srep14191

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

This study presents a detailed analysis of an exceptionally well-preserved articulated specimen of the trilobite Trimerocephalus from the Late Devonian of the Holy Cross Mountains in Poland. X-ray microtomography reveals the oldest direct evidence for a moulting episode known from the fossil record. The process of moulting as well as associated features observed in the investigated specimen are interpreted by comparison with extinct and extant Xiphosurida arthropods, which survived global P/T extinction and are among the closest extant relatives of trilobites. A very special moment frozen in time and space millions years ago provides rare insights into the behavior and physiology of these long-extinct arthropods.

引用

页码：1 / 5

页数：5

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