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DOI10.7717/peerj.6910
Using GIS to examine biogeographic and macroevolutionary patterns in some late Paleozoic cephalopods from the North American Midcontinent Sea
Kolis, Kayla M.1; Lieberman, Bruce S.1,2
发表日期2019
ISSN2167-8359
卷号7
英文摘要

Geographic range is an important macroevolutionary parameter frequently considered in paleontological studies as species' distributions and range sizes are determined by a variety of biotic and abiotic factors well known to affect the differential birth and death of species. Thus, considering how distributions and range sizes fluctuate over time can provide important insight into evolutionary dynamics. This study uses Geographic Information Systems (GIS) and analyses of evolutionary rates to examine how in some species within the Cephalopoda, an important pelagic clade, geographic range size and rates of speciation and extinction changed throughout the Pennsylvanian and early Permian in the North American Midcontinent Sea. This period is particularly interesting for biogeographic and evolutionary studies because it is characterized by repetitive interglacial-glacial cycles, a global transition from an icehouse to a greenhouse climate during the Late Paleozoic Ice Age, and decelerated macroevolutionary dynamics, i.e. low speciation and extinction rates. The analyses presented herein indicate that cephalopod species diversity was not completely static and actually fluctuated throughout the Pennsylvanian and early Permian, matching findings from other studies. However, contrary to some other studies, the mean geographic ranges of cephalopod species did not change significantly through time, despite numerous climate oscillations; further, geographic range size did not correlate with rates of speciation and extinction. These results suggest that pelagic organisms may have responded differently to late Paleozoic climate changes than benthic organisms, although additional consideration of this issue is needed. Finally, these results indicate that, at least in the case of cephalopods, macroevolution during the late Paleozoic was more dynamic than previously characterized, and patterns may have varied across different clades during this interval.


WOS研究方向Science & Technology - Other Topics
来源期刊PEERJ
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/97733
作者单位1.Univ Kansas, Biodivers Inst, Lawrence, KS 66045 USA;
2.Univ Kansas, Dept Ecol & Evolutionary Biol, Lawrence, KS 66045 USA
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GB/T 7714
Kolis, Kayla M.,Lieberman, Bruce S.. Using GIS to examine biogeographic and macroevolutionary patterns in some late Paleozoic cephalopods from the North American Midcontinent Sea[J],2019,7.
APA Kolis, Kayla M.,&Lieberman, Bruce S..(2019).Using GIS to examine biogeographic and macroevolutionary patterns in some late Paleozoic cephalopods from the North American Midcontinent Sea.PEERJ,7.
MLA Kolis, Kayla M.,et al."Using GIS to examine biogeographic and macroevolutionary patterns in some late Paleozoic cephalopods from the North American Midcontinent Sea".PEERJ 7(2019).
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