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Sebecidae is an extinction family of prehistoric terrestrial crocodylomorphs, known from the Late Cretaceous and Cenozoic of Europe and South America. They were the latest surviving group of non-Crocodilia crocodylomorphs.
The oldest known member of the group is Ogresuchus furatus known from the Upper Cretaceous (Maastrichtian) Tremp Formation (Spain). Other records of the group are known from the Eocene of Europe. Sebecids were diverse, abundant and broadly distributed in South America (mostly in Argentina, Brazil and Bolivia) during the Cenozoic, from the Paleocene until the Middle Miocene. The youngest known sebecids identified as cf. Sebecus sp. are reported from the Late Miocene-Early Pliocene strata of the Dominican Republic.
This group included many medium- and large-sized Genus, from Sebecus to the giant Barinasuchus from the Miocene. They are thought to have served as apex terrestrial predators of their ecosystems.
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