globalchange  > 过去全球变化的重建
DOI: 10.1016/j.palaeo.2016.10.009
论文题名:
Walking, running, hopping: Analysis of gait variability and locomotor skills in Brasilichnium elusivum Leonardi, with inferences on trackmaker identification
作者: D'Orazi Porchetti S.; Bertini R.J.; Langer M.C.
刊名: Palaeogeography, Palaeoclimatology, Palaeoecology
ISSN: 0031-0182
出版年: 2017
卷: 465
起始页码: 14
结束页码: 29
语种: 英语
英文关键词: Botucatu Formation ; Brasilichnium ; Brazil ; Locomotion ; Mesozoic ; Synapsid gait
英文摘要: Synapsids were able to adopt different gaits, including half–bounding and bipedal skipping, since the Early Jurassic, as indicated by a large record of fossil footprints, found in hyper-arid erg–dominated paleonvironments from South and North America. The mammaliamorph origin of these footprints is corroborated by their shape, stance, and gait, in a large number of trackway specimens from the Paraná Basin (Botucatu Formation) of Brazil. This record is interpreted as the expression of the locomotor skills of a single trackmaker population, and might be grouped together under a pre-existing ichnotaxonomic label, Brasilichnium elusivum Leonardi, 1981, including one of the few unambiguous Mesozoic records of bipedal saltatory gait in synapsids. This bipedal saltatory gait is associated with desert paleoenvironments, and more specifically with sand dunes with little or no vegetation cover. Decades of collecting has resulted in one of the largest records of synapsid footprints worldwide, and ichnology has proven fundamental to investigate elusive aspects of their natural history. © 2016 Elsevier B.V.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/68125
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作者单位: Departamento de Biologia, Faculdade de Filosofia Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, Av. Bandeirantes 3900, Ribeirão Preto, SP, Brazil; Núcleo de Evolução e Paleobiologia de Vertebrados, Departamento de Geologia Aplicada, Instituto de Geociências e Ciências Exatas Universidade Estadual Paulista (UNESP), Campus Rio Claro Av. 24A/1515, CP 178, Rio Claro, SP, Brazil

Recommended Citation:
D'Orazi Porchetti S.,Bertini R.J.,Langer M.C.. Walking, running, hopping: Analysis of gait variability and locomotor skills in Brasilichnium elusivum Leonardi, with inferences on trackmaker identification[J]. Palaeogeography, Palaeoclimatology, Palaeoecology,2017-01-01,465
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