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The largest credible specimen of modern C. porosus (saltwater crocodile) is also included in the diagram for comparison, as is an average height human. Full citation information: Colbert, Edwin H; Bird, Roland T. (1954). "A gigantic crocodile from the Upper Cretaceous beds of Texas" (pdf). American Museum Novitates (American Museum of Natural ...
A saltwater crocodile in captivity. Size greatly varies among species, from the dwarf crocodile to the saltwater crocodile. Species of the dwarf crocodile Osteolaemus grow to an adult size of just 1.5 to 1.9 m (4.9 to 6.2 ft), [34] whereas the saltwater crocodile can grow to sizes over 6 m (20 ft) and weigh over 1,000 kg (2,200 lb). [35]
Average clutch size is 38 eggs, and fecundity is over 20% after 15 years old. The species has a high adult survival rate and a long life span. [25] Like all true crocodilians, the American crocodile is a quadruped, with short, stocky legs; a long, powerful tail; and a scaly hide with rows of ossified scutes running down its back and tail. [26]
The tip of the snout was enlarged sideways and carried a "terminal rosette" of longer teeth, seven per side in the premaxillae and about the same number in the corresponding part of the lower jaw. Further back, there were at least 22 teeth per upper jaw side in the maxilla, while the entire lower jaw side carried 32 teeth in the dentary bone. [1]
Life restoration of Sarcosuchus imperator. Sarcosuchus is a distant relative of living crocodilians, with fully grown individuals estimated to have reached up to 9 to 9.5 m (29.5 to 31.2 ft) in total length and 3.45 to 4.3 metric tons (3.80 to 4.74 short tons) in weight. [2]
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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 ...
A fossil reveals how a now-extinct species of dugong was swimming in the sea about 15 million years ago when it was preyed upon by a crocodile and a tiger shark.