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It is plausible that the adult megalodon population off the coast of Peru targeted primarily cetothere whales 2.5 to 7 meters (8.2 to 23 ft) in length and other prey smaller than itself, rather than large whales in the same size class as themselves. [70] Meanwhile, juveniles likely had a diet that consisted more of fish. [34] [74]
In 1966 John Ostrom postulated that the diet of late Cretaceous chasmosaurs such as Triceratops and Torosaurus fed on very resistant and fibrous materials like the fronds of cycad or palm plants. [20] By extension, all Ceratopsids had a shearing dentition and efficient, powerful jaw mechanics that allowed them to feed on tough vegetation.
Scientists don't know for sure whether the megalodon ever lived in Mississippi even if some of its teeth were found in the Magnolia State. National Megalodon Day is June 15. Here are 5 things to ...
Greater than 10.5 metres (34 ft) is also the size that Pimiento et al. interpreted megalodon to be adults. [ 5 ] However, later studies pointed out that the Shimada (2002) equations can yield markedly different results depending on the tooth position chosen, with notably higher estimates in posterior locations.
A new study posits that the ancient megalodon shark was longer and slimmer than previously believed. The ancient shark has been compared to the great white, but it may have more closely resembled ...
O. angustidens was a widely distributed species with fossils found in: [10] A fossil bed in South Carolina suggests that O. angustidens utilized the area as a birthing ground and nursery for their pups, as 89% of the teeth found in the area belonged to juveniles, 3% belonged to infants, and 8% belonged to adults. [11] North America
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The value of shark fins for shark fin soup has led to an increase in shark catches where usually only the fins are taken, while the rest of the shark is discarded, typically into the sea; health concerns about BMAA in the fins now exists regarding consumption of the soup A 4.3-metre (14 ft), 540-kilogram (1,200 lb) tiger shark caught in Kāne ...