2017, 36(2) 327-332 DOI:   10.3969/j.issn.1004-5589.2017.02.001  ISSN: 1004-5589 CN: 22-1111/P

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Keywords
Scarburgia baiyanghensis sp. nov.
Middle Jurassic
Xishanyao Formation
Junggar Basin
Baiyanghe
Authors
PubMed

A new species of Scarburgia from Middle Jurassic of Junggar Basin, Xinjiang, China

YANG Tao1,2, YI Li-ying1,2, E Jing-wen1,2, GUO Xiao-rong1,2

1. College of Paleontology, Shenyang Normal University, Shenyang 110034, China;
2. Key-Lab for Evolution of Past Life in NE Asia, MLRC, Shenyang 110034, China

Abstract

A new species,Scarburgia baiyanghensis sp.nov. was reported from the Middle Jurassic Xishanyao Formation of Baiyanghe, the Junggar Basin in Xinjiang,northwestern China. The new species is characterized by fertile appendages (megasporophylls) arranged helically,each composed of a short stalk expanding into a pointed ovate scale,stalk attached to axis at a wide angle, curved up near the apex,a single rounded or ovate seed borne on upper surface of scale and partly covered by scale tissue. The characters show the new species is different from other known species of Scarburgia. It is known that very limited species of Scarburgia are reported in China and most of them are collected in the Early Cretaceous deposits. Therefore, the discovery of the present new species provides new fossil record in the Middle Jurassic age.

Keywords Scarburgia baiyanghensis sp. nov.   Middle Jurassic   Xishanyao Formation   Junggar Basin   Baiyanghe  
Received 2017-03-07 Revised 2017-05-10 Online:  
DOI: 10.3969/j.issn.1004-5589.2017.02.001
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