نتایج جستجو برای: fossil record

تعداد نتایج: 121933  

Journal: :Free Radical Biology and Medicine 2019

Journal: :Philosophical Transactions of the Royal Society of London. Series B: Biological Sciences 1998

Journal: :The Paleontological Society Special Publications 1996

Journal: :Biological reviews of the Cambridge Philosophical Society 2010
Paul A Selden David Penney

Over the last three decades, the fossil record of spiders has increased from being previously biased towards Tertiary ambers and a few dubious earlier records, to one which reveals a much greater diversity in the Mesozoic, with many of the modern families present in that era, and with clearer evidence of the evolutionary history of the group. We here record the history of palaeoarachnology and ...

2014
Hanneke J.M. Meijer

Excavations and studies of existing collections during the last decades have significantly increased the abundance as well as the diversity of the avian fossil record for Insular Southeast Asia. The avian fossil record covers the Eocene through the Holocene, with the majority of bird fossils Pleistocene in age. Fossil bird skeletal remains represent at least 63 species in 54 genera and 27 famil...

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