干旱区生态环境知识资源中心(Arid): Agathoxylon santanensis sp. nov. from the Aptian Crato fossil Lagersta center dot tte, Santana Formation, Araripe Basin, Brazil

Arid

DOI	10.1016/j.jsames.2021.103633
	Agathoxylon santanensis sp. nov. from the Aptian Crato fossil Lagersta center dot tte, Santana Formation, Araripe Basin, Brazil
	Scaramuzza Santos, Angela Cristine; Siegloch, Anelise Marta; Guerra-Sommer, Margot; Degani-Schmidt, Isabela; Carvalho, Ismar
通讯作者	Guerra-Sommer, M (corresponding author), Univ Fed Rio Grande do Sul, IGEO, Programa Posgrad Geociencias, Av Bento Goncalves 9500, BR-91509900 Porto Alegre, RS, Brazil.
来源期刊	JOURNAL OF SOUTH AMERICAN EARTH SCIENCES
ISSN	0895-9811
EISSN	1873-0647
出版年	2021
卷号	112
英文摘要	The study of a petrified twig under high-resolution optical microscopy allowed for the first formal record of the morphogenus Agathoxylon for the late Aptian Crato Member (Santana Formation, Araripe Basin, northeastern Brazil) and the description of a new species, Agathoxylon santanensis. The wood is characterized by mostly (95%) araucarian triseriate alternate bordered pits with hexagonal boundaries in a compact arrangement, and cross field pits with araucarioid organization. In addition to Agathoxyon-type of xylem, the preservation of a belt of stone cells and axial resin ducts in the non-functional phloem, and an attached leaf with parallel venation showing longitudinally oriented stomata point to a probable Araucariaceae affinity. The presence of Agathoxylon xylem associated with phloem of Araucariaceae affinity in the Tropical-Equatorial Hot Arid belt indicate that the parent plants survived in different climatic zones in the Early Cretaceous of Western Gondwana, from periequatorial to warm and cool-temperate belts. The general growth pattern suggests that the growth interruptions zones were caused by temporary water stress, which was the limiting factor for favorable growing.
英文关键词	Conifer wood anatomy Araucariaceae affinity Bark Wood growth pattern Late Aptian
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:000720824500002
WOS关键词	LA MATILDE FORMATION ; PETRIFIED FOREST ; CRUZ PROVINCE ; CONIFER WOODS ; GROWTH RINGS ; PATAGONIA ; ARAUCARIACEAE ; EVOLUTION ; ANATOMY ; RECORD
WOS类目	Geosciences, Multidisciplinary
WOS研究方向	Geology
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/374086
作者单位	[Scaramuzza Santos, Angela Cristine; Siegloch, Anelise Marta; Guerra-Sommer, Margot] Univ Fed Rio Grande do Sul, IGEO, Programa Posgrad Geociencias, Av Bento Goncalves 9500, BR-91509900 Porto Alegre, RS, Brazil; [Degani-Schmidt, Isabela; Carvalho, Ismar] Univ Fed Rio de Janeiro, CCMN IGEO, Programa Posgrad Geol, Av Athos da Silveira Ramos 274,Bloco J1, BR-21941916 Rio De Janeiro, RJ, Brazil; [Carvalho, Ismar] Univ Coimbra, Ctr Geociencias, Rua Silvio Lima, P-3030790 Coimbra, Portugal
推荐引用方式 GB/T 7714	Scaramuzza Santos, Angela Cristine,Siegloch, Anelise Marta,Guerra-Sommer, Margot,et al. Agathoxylon santanensis sp. nov. from the Aptian Crato fossil Lagersta center dot tte, Santana Formation, Araripe Basin, Brazil[J],2021,112.
APA	Scaramuzza Santos, Angela Cristine,Siegloch, Anelise Marta,Guerra-Sommer, Margot,Degani-Schmidt, Isabela,&Carvalho, Ismar.(2021).Agathoxylon santanensis sp. nov. from the Aptian Crato fossil Lagersta center dot tte, Santana Formation, Araripe Basin, Brazil.JOURNAL OF SOUTH AMERICAN EARTH SCIENCES,112.
MLA	Scaramuzza Santos, Angela Cristine,et al."Agathoxylon santanensis sp. nov. from the Aptian Crato fossil Lagersta center dot tte, Santana Formation, Araripe Basin, Brazil".JOURNAL OF SOUTH AMERICAN EARTH SCIENCES 112(2021).