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Silvanerpeton : ウィキペディア英語版 | Silvanerpeton
''Silvanerpeton'' is an extinct genus of early reptiliomorph found in East Kirkton Quarry of West Lothian, Scotland, in a sequence from the Brigantian substage of the Viséan (Lower Carboniferous). The find is important, as the quarry represents terrestrial deposits from the Romer's gap, a period poor in fossils where the higher groups labyrinthodonts evolved. Based on a remarkably well preserved humerus and other traits, the animal is believed to have been an advanced repti-like amphibian, close to the origin of amniotes.〔Ruta, M. and Clack, J.A (2006): A review of ''Silvanerpeton miripede'', a stem amniote from the Lower Carboniferous of East Kirkton, West Lothian, Scotland. ''Transactions of the Royal Society of Edinburgh'': Earth Sciences, no 97, pp 31-63 (Abstract )〕 In life ''Silvanerpeton'' was about 40 cm (1 ft) long. Some paleontologists think it was semi-aquatic as an adult, others believe only young ''Silvanerpeton'' were aquatic and the adults were fully terrestrial. ==References==
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