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Cretoxyrhina (/ k r ɪ ˌ t ɒ k s i ˈ r h aɪ n ə /; meaning 'Cretaceous sharp-nose') is an extinct genus of large mackerel shark that lived about 107 to 73 million years ago during the late Albian to late Campanian of the Late Cretaceous.
Galeocerdo alabamensis is an extinct relative of the modern tiger shark. Nomenclature of this shark has been debated, and recent literature identified it more closely with the Physogaleus genus of prehistoric shark, rather than Galeocerdo. The classification of Physogaleus is known as tiger-like sharks while Galeocerdo refers to
Stethacanthus is an extinct genus of shark-like cartilaginous fish which lived from the Late Devonian to Late Carboniferous epoch, dying out around 298.9 million years ago. Fossils have been found in Australia , Asia , Europe and North America .
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 ...
FAO (2000) Conservation and Management of Sharks Technical Guidelines for Responsible Fisheries, Rome. ISBN 92-5-104514-3.; Fowler SL, Cavanagh RD, Camhi M, Burgess GH, Cailliet GM, Fordham SV, Simpfendorfer CA and Musick JA (comp. and ed.) (2005) Sharks, Rays and Chimaeras: The Status of the Chondrichthyan Fishes IUCN Shark Specialist Group, Status Survey.
The fossils of Otodus sharks indicate that they were very large macro-predatory sharks. [7] The largest known teeth of O. obliquus measure about 104 millimetres (4.1 in) in height. [8] The vertebral centrum of this species are over 12.7 cm (5 inch) wide. [7] Scientists suggest that O. obliquus would have measured about 8–9 metres (26–30 ft ...
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Arkansas Game and Fish Commission (AGFC) is a state agency of Arkansas, headquartered in Little Rock, Arkansas. [1] The AGFC is important in keeping The Natural State true to its name. For more than 100 years, the agency has overseen the protection, conservation and preservation of various species of fish and wildlife in Arkansas.