Selachian shark
 Dental Morphology …)
Webselachian (pert. to) a shark or allied fishes. XIX. f. modL. Selachē (- Gr. selákhē, pl. of sélakhos shark) or Selachiī; see -IAN. The Concise Oxford Dictionary of English Etymology More From encyclopedia.com Squirrelfish squirrelfish (Holocentrus ascensionis) See HOLOCENTRIDAE. Sharks are a group of elasmobranch fish characterized by a cartilaginous skeleton, five to seven gill slits on the sides of the head, and pectoral fins that are not fused to the head. Modern sharks are classified within the clade Selachimorpha (or Selachii) and are the sister group to the Batoidea (rays and kin). Some … See more Until the 16th century, sharks were known to mariners as "sea dogs". This is still evidential in several species termed "dogfish," or the porbeagle. The etymology of the word shark is uncertain, the most … See more Teeth Shark teeth are embedded in the gums rather than directly affixed to the jaw, and are constantly … See more Buoyancy Unlike bony fish, sharks do not have gas-filled swim bladders for buoyancy. Instead, sharks rely on a … See more Shark lifespans vary by species. Most live 20 to 30 years. The spiny dogfish has one of the longest lifespans at more than 100 years. Whale sharks (Rhincodon typus) may also live over 100 … See more Fossil record The oldest total-group chondrichthyans, known as acanthodians or "spiny sharks", appeared during the Early Silurian, around 439 million years … See more Smell Sharks have keen olfactory senses, located in the short duct (which is not fused, unlike bony fish) between … See more The classic view describes a solitary hunter, ranging the oceans in search of food. However, this applies to only a few species. Most live … See more
Selachian shark
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Webselachian in British English. (sɪˈleɪkɪən ) adjective. 1. of, relating to, or belonging to the Selachii (or Elasmobranchii ), a large subclass of cartilaginous fishes including the sharks, … WebTo my knowledge the longest range among selachian species seems to be Pseuhypolophus macnultyii, ranging from Upper Barremian to Santonian (some 27 M.Y.) but in my view this may be a missidentification due to the very simple morphology of these teeth and lack of determinative characters at species level.
Webselachian ( sɪˈleɪkɪən) adj (Animals) of, relating to, or belonging to the Selachii (or Elasmobranchii ), a large subclass of cartilaginous fishes including the sharks, rays, … WebOct 2, 2024 · The largest shark of all time was longer than a school bus. Known as Otodus megalodon to specialists, but simply megalodon in the seemingly endless schlock films and books the shark has...
Webof, relating to, or belonging to the Selachii (or Elasmobranchii), a large subclass of cartilaginous fishes including the sharks, rays, dogfish, and skates. noun. any fish … WebI would agree. A large number of the Recent species of shark seem to have been established by the Mid to Late Miocene. The many available examples include: Cetorhinus maximus, …
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http://oceansofkansas.com/KS-sharks.html just in time family care home flat rock ncWeb(zoology) Pertaining to the genus Selache, consisting of various sharks; shark-like. Wiktionary Advertisement Other Word Forms of Selachian Noun Singular: selachian … just in time dean martin lyricsWebApr 1, 2012 · A selachian fauna is described for the first time from the Late Cretaceous (Campanian–Maastrichtian) of Senegal. So far, the Campanian Paki Formation has only … laura in the kitchen marinara sauceWebThe dusky shark ( Carcharhinus obscurus) is a species of requiem shark, in the family Carcharhinidae, occurring in tropical and warm-temperate continental seas worldwide. A generalist apex predator, the dusky shark can be found from the coast to the outer continental shelf and adjacent pelagic waters, and has been recorded from a depth of 400 … laura in the kitchen paellaWebRick is a former shark fisheries biologist turned marine biology educator (tropical marine ecology and shark biology) and consultant. He has written, as well as illustrated, Shark Smart: the Divers' Guide to Understanding Shark Behaviour and well over 100 published columns and articles on a wide variety of marine natural history subjects. laura in the kitchen meat sauceWebFeb 10, 2024 · A new record of the Japanese Cretaceous shark fossils is out 🦈 ⛏️ The report from Northwestern Pacific is limited and our fossil collection highlights the diversity of Cretaceous selachian fauna in this region. sciencedirect.com. laura in the kitchen overnight dinner rollsWebLiterature references for Otodus (Megaselachus) chubutensis. Agassiz, L. (1839) Recherches sur les poissons fossiles, 10th and 12th livraisons (April 1839). just in time factory supply