نتایج جستجو برای: late jurassic

تعداد نتایج: 198857  

2011
Vladimir N. Makarkin Qiang Yang Dong Ren

Two new species of the genus Sinosmylites Hong are described from the Middle Jurassic locality at Daohugou (Inner Mongolia, China): Sinosmylites fumosussp. n. and Sinosmylites rasnitsynisp. n. This is the oldest known occurrence of the family Berothidae. The berothid affinity of this genus is confirmed by examination of the hind wing venation characteristic of the family. The Late Triassic fami...

Journal: :Zootaxa 2014
Kuiyan Zhang Ding Yang Dong Ren

Eremochaetidae is a rare family found from the Late Jurassic to the Early Cretaceous. So far, only 8 genera with 12 species have been recorded. Herein, we describe a new species, Dissup clausus sp. nov., and the first male of Eremomukha (E.) tsokotukha Mostovski, 1996, from the Yixian Formation, the Early Cretaceous of Northeastern China. Additionally, E. (E.) insidiosa Mostovski, 1996 is consi...

2012
Arthur Holmes Felix M. Gradstein James G. Ogg Frits J. Hilgen

This report summarizes the international divisions and ages in the Geologic Time Scale, published in 2012 (GTS2012). Since 2004, when GTS2004 was detailed, major developments have taken place that directly bear and have considerable impact on the intricate science of geologic time scaling. Precam brian now has a detailed proposal for chronostratigraphic subdivision instead of an outdated and ab...

Journal: :Zootaxa 2014
Hai-Lu You Yoichi Azuma Tao Wang Ya-Ming Wang Zhi-Ming Dong

Coelophysoid dinosaurs represent the earliest major radiation of neotheropods. These small-to-medium-sized agile bipeds lived throughout much of Pangaea during the Late Triassic-arly Jurassic. Previously reported coelophysoid material from Asia (excluding the Gondwanan territory of India) is limited to two specimens that comprise only limb fragments. This paper describes a new genus and species...

2016
Zhong-Jian Liu Xin Wang

Flower, enclosed ovule and tetrasporangiate anther are three major characters distinguishing angiosperms from other seed plants. Morphologically, typical flowers are characterised by an organisation with gynoecium and androecium surrounded by corolla and calyx. Theoretically, flowers are derived from their counterparts in ancient ancestral gymnosperms. However, as for when, how and from which g...

2014
Alexei P. iPPolitov olev vinn elenA K. KuPriyAnovA MAnfred Jäger

Ippolitov, A.P., Vinn, O., Kupriyanova, E.K. and Jäger, M. 2014. Written in stone: history of serpulid polychaetes through time. Memoirs of Museum Victoria 71: 123–159. Although the fossil record of annelids in general is poor, calcareous tube-building Serpulidae are a notable exception. The “stumbling block” of understanding the serpulid fossil record is obtaining reliable taxonomic interpreta...

2013
E. Le Breton P. R. Cobbold A. Zanella

13 The Great Glen Fault (GGF) trends NNE-SSW across northern Scotland. According to 14 previous studies, the GGF developed as a left-lateral strike slip fault during the Caledonian 15 Orogeny (Ordovician to Early Devonian). However, it then reactivated right-laterally in the 16 Tertiary. We discuss additional evidence for this later phase. At Eathie and Shandwick, minor 17 folds and faults in f...

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