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Machairodontinae is an extinct subfamily of carnivoran mammals of the family Felidae (true cats). They were found in Asia, Africa, North America, South America, and Europe, with the earliest species known from the Middle Miocene, with the last surviving species (belonging to the genera Smilodon and Homotherium) becoming extinct around Late Pleistocene-Holocene transition (~13-10,000 years ago).
Pentanchidae, a family of ground sharks with the overall name deepwater catsharks, but many species are referred to as "catshark". This species in this family were formerly included in the Scyliorhinidae. Atelomycteridae, a family of ground sharks with the overall name coloured catsharks, but many species are referred to as "catshark". This ...
John T. Nichols of the American Museum of Natural History originally described the roughtail catshark as Pristiurus arae in a 1927 issue of American Museum Novitates.He named the species after the trawler Ara, which collected the first two specimens, both 16 cm (6.3 in) long immature females, off Miami Beach on March 31, 1926. [2]
Scyliorhinidae is a family of sharks, one of a few families whose members share the common name catsharks, belonging to the order Carcharhiniformes, the ground sharks. Although they are generally known as catsharks, some species can also be called dogfish due to previous naming. [ 2 ]
The pyjama shark or striped catshark (Poroderma africanum) is a species of catshark, and part of the family Scyliorhinidae, endemic to the coastal waters of South Africa. This abundant, bottom-dwelling species can be found from the intertidal zone to a depth of around 100 m (330 ft), particularly over rocky reefs and kelp beds.
The small-spotted catshark (Scyliorhinus canicula), also known as the sandy dogfish, [2] lesser-spotted dogfish, rough-hound or morgay (in Scotland and Cornwall), [3] is a catshark of the family Scyliorhinidae.
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This research may uncover many different aspects about the tooth itself, and the shark species. This proves complicated, however, due to the fact that most fossilized teeth are found mixed and scattered. [15] To collect information on basic-life history and get dispersal estimates of a shark tooth, molecular-based technology is very efficient.