Arid
DOI10.7717/peerj.4764
Tetrapod tracks in Permo-Triassic eolian beds of southern Brazil (Parana Basin)
Francischini, Heitor1; Dentzien-Dias, Paula2; Lucas, Spencer G.3; Schultz, Cesar L.1
通讯作者Francischini, Heitor
来源期刊PEERJ
ISSN2167-8359
出版年2018
卷号6
英文摘要

Tetrapod tracks in eolianites are widespread in the fossil record since the late Paleozoic. Among these ichnofaunas, the ichnogenus Chelichnus is the most representative of the Permian tetrapod ichnological record of eolian deposits of Europe, North America and South America, where the Chelichnus Ichnofacies often occurs. In this contribution, we describe five sets of tracks (one of which is preserved in cross-section), representing the first occurrence of Dicynodontipus and Chelichnus in the ’’Piramboia Formation" of southern Brazil. This unit represents a humid desert in southwestern Pangea and its lower and upper contacts lead us to consider its age as Lopingian Induan. The five sets of tracks studied were compared with several ichnotaxa and body fossils with appendicular elements preserved, allowing us to attribute these tracks to dicynodonts and other indeterminate therapsids. Even though the "PirambOia Formation" track record is sparse and sub-optimally preserved, it is an important key to better understand the occupation of arid environments by tetrapods across the Permo-Triassic boundary.


英文关键词Piramboia Formation Ichnology Dicynodontipus Chelichnus Paleoerg Dicynodontia Vertebrate tracks South America Permian-Triassic boundary
类型Article
语种英语
国家Brazil ; USA
收录类别SCI-E
WOS记录号WOS:000432631600001
WOS关键词BOTUCATU FORMATION ; NONMAMMALIAN THERAPSIDS ; DICYNODONTS SYNAPSIDA ; POSTCRANIAL SKELETON ; VERTEBRATE TRACKWAY ; NAVAJO SANDSTONE ; GUARA FORMATION ; KAROO BASIN ; SAO-PAULO ; FOOTPRINTS
WOS类目Multidisciplinary Sciences
WOS研究方向Science & Technology - Other Topics
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/212028
作者单位1.Univ Fed Rio Grande do Sul, Inst Geociencias, Lab Paleontol Vertebrados, Porto Alegre, RS, Brazil;
2.Univ Fed Rio Grande, Inst Oceanog, Lab Geol & Paleontol, Rio Grande, RS, Brazil;
3.New Mexico Museum Nat Hist & Sci, Albuquerque, NM USA
推荐引用方式
GB/T 7714
Francischini, Heitor,Dentzien-Dias, Paula,Lucas, Spencer G.,et al. Tetrapod tracks in Permo-Triassic eolian beds of southern Brazil (Parana Basin)[J],2018,6.
APA Francischini, Heitor,Dentzien-Dias, Paula,Lucas, Spencer G.,&Schultz, Cesar L..(2018).Tetrapod tracks in Permo-Triassic eolian beds of southern Brazil (Parana Basin).PEERJ,6.
MLA Francischini, Heitor,et al."Tetrapod tracks in Permo-Triassic eolian beds of southern Brazil (Parana Basin)".PEERJ 6(2018).
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