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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 ...
The largest C. thorbjarnarsoni skull found (KNM-ER 1682) measures 85 cm (33 in) from the tip of the snout to the back of the skull table, in comparison, the largest known extant Crocodylus skull is that of a saltwater crocodile, measuring 76 cm (30 in).
Its skull was 76 cm (30 in) long and 48 cm (19 in) wide near its base, with 98.3 cm (38.7 in) long mandibles; its length is not known, but based on skull-to-length ratios of large saltwater crocodiles its length was presumably in the 6.7–7 m (22–23 ft) range, though it could have had an exceptionally large skull or may not have the same ...
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] It had somewhat telescoped eyes and a long snout comprising 75% of the length of the skull.
The original estimate from 1954 for the type specimen of the then-named "Phobosuchus riograndensis" were based on a skull of 1.5 meters (4.9 ft) and a lower jaw of 1.8 meters (5.9 ft) long, reconstructed with similar proportions to the Cuban crocodile giving a total estimated length of 15 meters (49 ft). [6]
Saltwater crocodiles dispose of excess salt in their bodies through specialized salt glands. These are the largest species of crocodile, also making them the largest reptiles. They can grow up to six meters in length. [1] [9] American crocodiles (Crocodylus acutus) similarly prefer brackish over freshwater habitats. [10]
Last year though, the government approved a new 10-year crocodile management plan to help control the numbers, which increased the quota of crocs that can be killed annually from 300 to 1,200.
The American crocodile is also one of the largest crocodile species, with large males in the southern part of their range reported to approach 6.1 m (20 ft) in size. Based on projections from various skulls, the largest males may have reached 6–7 m (20–23 ft) in length, and their predicted mass reached up to 1,283 kg (2,829 lb). [ 120 ]