A new member of Sphenopsida, Neolobatannularia gen.nov.from Late Triassic of western Liaoning, China

doi:10.3969/j.issn.1673-9736.2019.01.01

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Global Geology ›› 2019, Vol. 22 ›› Issue (1) : 1-8. DOI: 10.3969/j.issn.1673-9736.2019.01.01

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A new member of Sphenopsida, Neolobatannularia gen.nov.from Late Triassic of western Liaoning, China

WANG Junyou¹, LI Tao^2,4, LIU Zhiping¹, GUO Bin¹, KANG Ai¹, NA Yuling^2,3, LI Yunfeng^2,3, WANG Hongshan⁵, BO Junchen⁶, SUN Chunlin^2,3

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Abstract

A new genus Neolobatannularia Sun et Li gen.nov.with the type species Neolobatannularia liaonin-gensis Sun et Li sp.nov.from the Upper Triassic Yangcaogou Formation of Beipiao,Liaoning,China,is de-scribed in this paper.The new taxon is attributed to Equisetales of Sphenopsida based on its branch with inter-nodes,node and leaves borne in whorls on nodes.It is a new member of the Mesozoic Sphenopsida.Although the new taxon shares some morphological characters with the genus Lobatannularia Kawasaki,a genus widely distributed in the Permian Cathaysia flora in East Asia,and the genus Lobatannulariopsis Yang from the Late Triassic of southwestern China,its unique branching pattern is markedly distinguished from the two known gene-ra.Some Triassic known species of Lobatannularia may belong to the present new genus Neolobatannularia.

Key words

Sphenopsida / new genus / Late Triassic / Yangcaogou Formation / Beipiao

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WANG Junyou, LI Tao, LIU Zhiping, GUO Bin, KANG Ai, NA Yuling, LI Yunfeng, WANG Hongshan, BO Junchen, SUN Chunlin. A new member of Sphenopsida, Neolobatannularia gen.nov.from Late Triassic of western Liaoning, China[J]. Global Geology. 2019, 22(1): 1-8 https://doi.org/10.3969/j.issn.1673-9736.2019.01.01

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Funding

Supported by projects of the National Natural Science Foundation of China (No.31800182),China Postdoctoral Science Foundation (No.2018M631866) and Open Fund of Key Laboratory for Evolution of Past Life and Environment in Northeast Asia,Ministry of Education (No.451170301065).