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Size range of Mosasaurus compared with a human. The type species, M. hoffmannii, is one of the largest marine reptiles known, [25] [57] though knowledge of its skeleton remains incomplete as it is mainly known from skulls. [38]: 100 Russell (1967) wrote that the length of the jaw equalled one tenth of the body length in the species.
Megalodon size estimates vary depending on the method used, with maximum total length estimates ranging from 14.2–20.3 meters (47–67 ft). [ 35 ] [ 40 ] [ 25 ] A 2015 study estimated the modal total body length at 10.5 meters (34 ft), calculated from 544 megalodon teeth, found throughout geological time and geography, including juveniles and ...
Size comparison between a human and two species of Basilosaurus, B. cetiodes (dark blue) and B. isis The heaviest archeocete , and possibly the heaviest known mammal was Perucetus , with weight estimated at 85–340 t (84–335 long tons; 94–375 short tons), while length is estimated at 17.0–20.1 meters (55.8–65.9 ft), [ 107 ] possibly ...
The Mosasaurus hoffmannii skull found in Maastricht between 1770 and 1774. The first publicized discovery of a partial fossil mosasaur skull in 1764 by quarry workers in a subterranean gallery of a limestone quarry in Mount Saint Peter, near the Dutch city of Maastricht, preceded any major dinosaur fossil discoveries, but remained little known.
They ranged in size from some of the smallest known mosasaurs (Carinodens, 3–3.5 meters), to medium-sized taxa (Clidastes, 6+ meters), to the largest of the mosasaurs (Mosasaurus hoffmannii) potentially reaching about 13 m in length.
English: Size comparison of the mosasaurin mosasaurine mosasaurid mosasauroid Mosasaurus. Mosasaurus hoffmannii is the largest species of this genus. The specimen catalogued as CCMGE 10/2469 (also known as the "Penza specimen") is among the largest known specimens of this species, with an estimated length of around 1.7 m (5.6 ft).
Thalassotitan is one of the largest known mosasaurs, having an estimated size of around 9 to 10 m (30 to 33 ft) long. This genus shows definitely that mosasaurs evolved to take over the apex predator niche in the oceans of the Late Cretaceous which is now filled by sharks and orcas .
[24] [64] [26] [65] [21] Kronosaurus was then considered as being the largest known marine reptile until 1995, when Theagarten Lingham-Soliar suggested that the Late Cretaceous aquatic squamate Mosasaurus hoffmannii would reach around 18 meters (59 ft) long, [66] [67] the latter having a reduced size to around 11 meters (36 ft) according to ...