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In general, in crocodiles and gharials, both rows of teeth are visible when the jaws are closed because their teeth fit into grooves along the outside lining of the upper jaw. By contrast, the lower teeth of alligators and caimans normally fit into holes along the inside lining of the upper jaw, so they are hidden when the jaws are closed.
Caimans are distinguished from alligators, their closest relatives, by a few defining features: a lack of a bony septum between the nostrils, ventral armor composed of overlapping bony scutes formed from two parts united by a suture, and longer and sharper teeth than alligators, plus caimans tend to be more agile and crocodile-like in their ...
Caimans tend to be more agile and crocodile-like in their movements, and have longer, sharper teeth than alligators. [ 13 ] C. crocodilus , the spectacled caiman , has the widest distribution, from southern Mexico to the northern half of Argentina, and grows to a modest size of about 2.2 m (7.2 ft).
Cuvier's dwarf caiman (Paleosuchus palpebrosus) is a small crocodilian in the alligator family from northern and central South America.It is found in Bolivia, Brazil, Colombia, Ecuador, French Guiana, Guyana, Paraguay, Peru, Suriname, Trinidad and Venezuela.
Crocodiles (family Crocodylidae) or true crocodiles are large, semiaquatic reptiles that live throughout the tropics in Africa, Asia, the Americas and Australia.The term “crocodile” is sometimes used more loosely to include all extant members of the order Crocodilia, which includes the alligators and caimans (both members of the family Alligatoridae), the gharial and false gharial (both ...
This refers to the belief that this crocodile comes from an ancient lineage that diverged from other species of caimans some 30 million years ago. [ 3 ] At present, Paleosuchus contains only two members: the smooth-fronted or Schneider's dwarf caiman ( Paleosuchus trigonatus ) and Cuvier's dwarf caiman ( Paleosuchus palpebrosus ), both from ...
Crocodiles with teeth the size of bananas were apparently a nightmare that actually existed during the Late Cretaceous period. A pair of researchers with the University of Iowa decided to re ...
The smooth-fronted caiman (Paleosuchus trigonatus), also known as Schneider's dwarf caiman or Schneider's smooth-fronted caiman, [4] is a crocodilian from South America, where it is native to the Amazon and Orinoco Basins.