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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 ...
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).
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 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]
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.
Based on the estimated skull length Martin, et al. estimated Astorgosuchus to have reached a total body length of 6.4 to 7.3 meters. When using the proportions of the largest known saltwater crocodile individuals (1:8.8), this would result in a total body length of 7 to 8
Molnar, Worthy and Willis attempted to determine the size of one particular individual by comparing a preserved femur with the same bone in a saltwater crocodile. Assuming that the two animals shared similar proportions, this would indicate that Volia may have reached a length between 2–3 m (6 ft 7 in – 9 ft 10 in). [1] [6]
Diagram of the skull of M. rex in palatal view. In 2016, a new species of Machimosaurus from Douiret Formation in Tunisia was described in the journal Cretaceous Research. Named Machimosaurus rex, it was the largest teleosauroid known at the time, estimated to be 9.6 m (31.5 ft) in length (skull length 155 cm (61 in)) based on a partial ...