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Cosmopolitodus is an extinct genus of mackerel shark that lived between thirty and one million years ago during the late Oligocene to the Early Pleistocene epochs.Its type species is Cosmopolitodus hastalis, the broad-tooth mako (other common names include the extinct giant mako and broad-tooth white shark).
Several extinct species are known. †Crassodontidanidae †Crassodontidanidae: 4 8 Extinct: Hexanchidae: Cow sharks: 3 extant 5 extinct 5 extant 31 extinct Cow sharks are considered the most primitive of all the sharks, because their skeletons resemble those of ancient extinct forms, with few modern adaptations.
Tooth of the extinct C. lawleyi from Italy. Many other species formerly described in this genus were moved to the fossil genus Rolfodon in 2019. Chlamydoselachus and Rolfodon can be distinguished from one another by their tooth morphologies. Rolfodon also survived the Cretaceous-Paleogene extinction event but went extinct during the Miocene. [3 ...
Sharks could be facing extinction over the next couple of decades. Human interference is largely to blame for the species interference. Overfishing of sharks has increased as the global demand has ...
[10] [11] Sharks are often killed for shark fin soup, which some Asian countries regard as a status symbol. [12] Fishermen capture live sharks, fin them, and dump the finless animal back into the water to die from suffocation or predators. [11] [13] Sharks are also killed for their flesh in Europe and elsewhere. [14]
Sharkwater is a 2006 Canadian documentary film written and directed by Rob Stewart.Helping to protect sharks, changing government policy, and inspiring the creation of shark conservation groups, Sharkwater is considered one of conservation's success stories, resulting in shark finning being banned in over 90 countries. [1]
Several sharks have begun pinging off South Florida, as part of a tagging study by nonprofit marine research foundation Ocearch. The tags, ... White sharks once again migrate into Florida’s ...
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