New Mesozoic cockroaches (Blattaria: Blattulidae) from Jehol Biota of western Liaoning in China

被引：0
|
作者：
Wang, Tiantian
Ren, Dong
Liang, Jun-Hui
Shih, Chungkun
机构：
[1] Capital Normal Univ, Coll Life Sci, Beijing 100037, Peoples R China
[2] Museum Nat Hist, Tianjin 300074, Peoples R China
来源：
ANNALES ZOOLOGICI | 2007年 / 57卷 / 03期
关键词：
Insecta; Blattodea; Blattulidae; variability; new genus; new species; late Jurassic/Early Cretaceous boundary; Jehol Biota; Yixian Formation; China;
D O I：
暂无
中图分类号：
Q96 [昆虫学];
学科分类号：
摘要：
Macaroblattula ellipsoides gen. et sp. nov., Elisanta cuboides sp. nov. and E. extenuata (Ren, 1995) of the dominant cockroach family Blattulidae are described from the Late Jurassic/Early Cretaceous Yixian Formation of western Liaoning in China. Forewing venation of E. extenuata reveals low variation (CV for total number of veins = 6.22), which indicates active flight of this advanced taxon. Presence of Macaroblattula gen. nov. suggests a generic variation and high adaptability of the family. Taxonomic composition supports the transitional Late Jurassic/Early Cretaceous age of the Yixian Formation and dominance of the family Blattulidae within assemblage indicates their significance in food chain.
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页码：483 / 495
页数：13
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