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Enaliornis
''Enaliornis'' is a genus of hesperornithine birds which lived in the early Late Cretaceous, making it the oldest known hesperornithine. Fossils have been found near Cambridge, England. Due to its lack of certain hesperornithid apomorphies, they were much more "conventional" birds and were initially held to be Gaviiformes (loons/divers).〔Harrison & Walker (1973)〕 ==Description== Based on the remnants that have been studied, it has not been determined if these birds had teeth like the others from this order. However, they were believed to not have well-developed wings.〔 Like other hesperornithines, they probably had lobed feet for swimming, rather than webbed feet.〔Lim, J. D., Zhou, Z., Martin, L. D., Baek, K. S., & Yang, S. Y. (2000). The oldest known tracks of web-footed birds from the Lower Cretaceous of South Korea. ''Naturwissenschaften'', 87(6), 256-259.〕
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Enaliornis」の詳細全文を読む
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