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Centenariosuchus
''Centenariosuchus'' is an extinct genus of caimanine crocodylian known from the Miocene of the Panama Canal Zone of Panama. It contains a single species, ''Centenariosuchus gilmorei'', that was named in 2013 in honor of the upcoming centennial anniversary of the digging of the Panama Canal. Two fossil specimens consisting of skull fragments were found in the early or middle Miocene Cucaracha Formation in 2009 and 2011, and may belong to a single individual. The species is diagnosed by a combination of skull features that it shares with basal caimans like ''Tsoabichi'', ''Eocaiman'', ''Culebrasuchus'', and the living genus ''Paleosuchus'', as well as more derived caimans such as those in the genus ''Caiman''. One feature that distinguishes ''Centenariosuchus'' from all other caimans is the straight outer margin of a hole on the underside of the skull called the suborbital fenestra. According to one phylogenetic analysis of caimanine relationships, ''Centenariosuchus'' falls within a clade or evolutionary grouping of caimans that includes the very large and highly specialized forms ''Purussaurus'' and ''Mourasuchus'', known from the Miocene of South America''.''
==References==
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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