Lower Cretaceous Bivalves from the Eastern Heilongjiang Province of China(In English)(Chinese Edition)
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paperback. New. Ship out in 2 business day, And Fast shipping, Free Tracking number will be provided after the shipment.Science Press. 1997. Soft cover. Book Condition: As New. 1st Edition. 185x260mm/301 pages In this book 190 marine to brackish bivalvian species mainly from the Longzhaogou Group and the lowermost Chengzihe Formation of Jixi Group together with 23 freshwater species from the Chengzihe and Muleng Formations of Jixi Group in the eastern Heilongjiang Province were described .These bivalves comprise 32 species and 1 new genus and species in the Palaeotaxodonta .1 species in the Cryptodonta.95speci... Satisfaction guaranteed,or money back.

Von Händler/Antiquariat, CHINASCIBOOK [52243026], Beijing, BJ, China.
185x260mm/301 pages In this book 190 marine to brackish bivalvian species mainly from the Longzhaogou Group and the lowermost Chengzihe Formation of Jixi Group together with 23 freshwater species from the Chengzihe and Muleng Formations of Jixi Group in the eastern Heilongjiang Province were described .These bivalves comprise 32 species and 1 new genus and species in the Palaeotaxodonta ,1 species in the Cryptodonta,95species (7 species new )and 1new genus in the Pteriomorphia ,12 species in the Palaeoheterodonta ,59 species in the Heterodonta, and 13 species in the Anomalodesmata. Based on Jupiteria (Ezonuculana) aff. mactraeformis (Na-geo), Portlandia aff. sanchuensis(Yabe et Nagao)and Thracia (Sow.)in the upper marine member of the Peide Formation and Aucellia aptiensis(D' Orb.), A. caucasica (v.Bicj) , Expgura ? erecta Gu sp. nov . , Amphidonte subhaliotoidea (Nagao0, Aetostreon aff . xouloni (Defrance), Owtrea spp. , Arctica cf . saussuri(Brongn .)and Thracia rotundata (J. de C. Sow.)in the Yunshan Formation to Aptian and principally Aptian . The Longzhaogou and Jixi Groups could be correlated with each other. Aucellina and Arctica together with Pinna ,Isog-nomon and Filosina indecate a temperate climate in the region of the Groups .The ingressed Late Early Cretaceous sea from the east in the ancient Wanda and Jixi areas as well as theLate Jurassic sea in the Suibin area appeared not of great depths ,yet most probably of embaymental palaeoenvironment. The freshwater species of the Jixi Group belong to Jehol or Witim faunas, entirely of Asian or Holarctic nonmarine faunas ;they are of late Early Cretaceous instead of Late Jurassic age as held for a long time.

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Paperback, 标签: Science Pr, Science Pr, 产品组: Book, 出版: 1998-01, 工作室: Science Pr, 销售排名: 18824324.

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Von Händler/Antiquariat, liu xing [54261761], JiangSu, JS, China.
Language:English.Author:Gu Zhiwei.Binding:Soft Cover.