Global Geology 2015, 18(2) 75-87 DOI:     ISSN: 1673-9736 CN: 22-1371/P
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Keywords
Anomozamites
Bennettitales
Middle Jurassic
Haifanggou Formation
western Liaoning
Authors
ZHAO Miao 1
2
3
SUN Chunlin 1
2
David L�� Dilcher 1
2
3
ZHAO Zhe 4 and NA Yuling 1
2
PubMed
Article by ZHAO Miao 1
Article by 2
Article by 3
Article by SUN Chunlin 1
Article by 2
Article by David L�� Dilcher 1
Article by 2
Article by 3
Article by ZHAO Zhe 4 and NA Yuling 1
Article by 2

Anomozamites (Bennettitales) from Middle Jurassic Haifanggou Formation��western Liaoning��China

 ZHAO Miao, SUN Chunlin, David L�� Dilcher, ZHAO Zhe and NA Yuling

1�� ��esearch Center of Paleontology and Stratigraphy��Jilin University��Changchun 130026��China; 2�� Key Laboratory for Evolution of Past Life and Environment in Northeast Asia��Ministry of Education��Changchun 130026��China; 3�� Department of Geology and Biology��Indiana University��Bloomington��IN 47405 USA; 4�� The Second Geologic Survey of Jilin Province��Jilin 132013��China

Abstract��

The Middle Jurassic Hangfanggou Formation is well exposed in Shangsanjiao and Xiasanjiao villages area��Baimashi town of Huludao��western Liaoning��China�� ��ecently��abundant fossil plants were collected from the Hangfanggou Formation�� One new species��Anomozamites sanjiaocunensis sp�� nov�� (Bennettitales)��is described in this study�� This is the first report of the genus Anomozamites from the Haifanggou Formation based upon the leaf morphology and epidermal structures�� The discovery of the new species extends significantly the stratigraphic and geographic distribution of Anomozamites in the Middle Jurassic�� It also shows that Ano- mozamites was a common member of Bennettitales once lived in the Middle Jurassic warm temperate region�� The new species also improves the knowledge on understanding the leaf morphology��epidermal features and the di- versity of Anomozamites during the Middle Jurassic�� The epidermal characters of the new species and its associ- ated plants reveal that the plants grew in a warm and moderately humid environment in the warm temperate zone�� The presence of some deciduous plants��such as ginkgoaleans��czekanowskialeans and conifers��indicate the climate with seasonal fluctuations in temperature��

Keywords�� Anomozamites   Bennettitales   Middle Jurassic   Haifanggou Formation   western Liaoning  
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