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The only order-level taxon that is currently considered valid is Crocodilia in its present definition. Prehistoric crocodiles are represented by many taxa, but since few major groups of the ancient forms are distinguishable, a conclusion on how to define new order-level clades is not yet possible. (Benson & Clark, 1988).
Crocodiles live in marshes, lakes and rivers, and can live in saline environments including estuaries and mangrove swamps. [115] American and saltwater crocodiles swim out to sea. [119] [118] Several extinct species, including the recently extinct Ikanogavialis papuensis, which occurred in coastlines of the Solomon Islands, had marine habitats ...
The name Pseudosuchia was originally given to a group of superficially crocodile-like prehistoric reptiles from the Triassic period, but fell out of use in the late 20th century, especially after the name Crurotarsi was established in 1990 to label the clade (evolutionary grouping) of archosaurs encompassing most reptiles previously identified as pseudosuchians.
Barinasuchus is an extinct crocodylian reptile that lived in modern-day Argentina and Brazil. The name translates to “the Barinas crocodile”, which is a reference to the place where the ...
Clark's solution to this issue was to restrict the name Crocodylia to the group containing modern alligators, crocodiles, and gharials, plus any extinct taxa descended from their closest common ancestor. The traditional group "Crocodylia" was replaced by the name Crocodyliformes, defined to include many of the extinct families that the new ...
Planocraniidae is an extinct family of eusuchian crocodyliforms known from the Paleogene of Asia, Europe and North America.The family was coined by Li in 1976, and contains three genera, Boverisuchus, Duerosuchus and Planocrania.
Mekosuchinae is an extinct clade of crocodilians from the Cenozoic of Australasia.They represented the dominant group of crocodilians in the region during most of the Cenozoic, first appearing in the fossil record in the Eocene of Australia, and surviving until the arrival of humans: the Late Pleistocene on the Australian continent and during the Holocene in the Pacific islands of Fiji, New ...
Traditionally, crocodiles and alligators were considered more closely related and grouped together in the clade Brevirostres, to the exclusion of the gharials. This classification was based on morphological studies primarily focused on analyzing skeletal traits of living and extinct fossil species. [6]