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Hamulina
''Hamulina'' is an extinct ammonoid cephalopod genus belonging to the family Hamulinidae. These cephalopod were fast-moving nektonic carnivores. They lived during the Cretaceous period, Barremiarrean age. Type species is ''Hamulina astieriana''. ==Distribution== Fossils of these cephalopods have been found in rocks of Cretaceous of Colombia, Hungary, Italy, Mexico, Spain, Trinidad and Tobago.
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「Hamulina」の詳細全文を読む
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