In Depth Palaeocarcharodon seems to have been one of the principal shark genera that appeared in the oceans after the Cretaceous that were now devoid of large marine reptiles. Palaeocarcharodon is often considered to be related to the large Cretaceous shark Cretoxyrhina, however it is the relationship to Carcharodon carcharias (the great white shark) and … Read more
In Depth Cardabiodon is a genus of shark that is known to have lived during at least the Cenomanian and early Turonian periods of the late Cretaceous. First named from fossil teeth and vertebrae discovered in Australia, further examples are known from North America and Russia, as well as speculated in other locations. However, so … Read more
In Depth Further Reading - Origin of the white shark Carcharodon (Lamniformes: Lamnidae) based on recalibration of the upper Neogene Pisco Formation of Peru - Palaeontology 55(6):1139-1153 - D. J. Ehret, B. J. MacFadden, D. S. Jones, T. J. DeVries, D. A. Foster & R. Salas-Gismondi. 2012.
In Depth Megalolamna is a genus of shark that lived during the Miocene period. So far only teeth of this shark have been found, but these are known from as far apart as Japan to Peru and even the states of California and North Carolina in the USA. These locations tell us that Megalolamna was … Read more
Teeth and vertebra - The fossils of megalodon The teeth are by far the most common remains of C. megalodon with the larger teeth approaching 18 centimetres in height. It is uncertain for how long people have been collecting C. megalodon teeth, but it was not until 1667 that science recognised them as shark … Read more
In Depth Otodus was bigger than any other carnivorous fish in the sea today, being one and half times bigger than the largest recorded great white shark. This large size however does not mean that Otodus was an apex predator as it would have had to share the seas with other predators such as Basilosaurus, … Read more