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The three recognized species of Caiman -C. latirostris, C. yacare and C. crocodilus-currently live in northern and central South America. Except for the fragmentary dentary of a putative Caiman from Oligocene rocks in Brazil, the genus has been reliably recorded in rocks of ages spanning the Neogene, when species of Caiman were a constant component of the South American crocodyliofauna. The major taxonomical diversification of Caiman occurred during the late Miocene, which is well documented indoi:10.5710/amegh.11.12.2013.1507 fatcat:a7vrzafc2reo5f7avmja7moayy