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Topic: Hexanchiformes

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Chlamydoselachidae

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	Hexanchiformes -- Facts, Info, and Encyclopedia article (Site not responding. Last check: 2007-10-18)
		Hexanchiformes is the ((biology) taxonomic group containing one or more families) order consisting of the most primitive types of (Any of numerous elongate mostly marine carnivorous fishes with heterocercal caudal fins and tough skin covered with small toothlike scales) sharks, and numbering just a handful of species.
		Hexanchiform sharks have only one (Unpaired median fin on the backs of fishes and some other aquatic vertebrates that help to maintain balance) dorsal fin, either six or seven gill slits, and no (A protective fold of skin in the eyes of reptiles and birds and some mammals) nictitating membrane in the eyes.
		The (Click link for more info and facts about frilled shark) frilled shark Chlamydoselachus anguineus is very different from the cow sharks, and it has been proposed that it be moved to its own order (Click link for more info and facts about Chlamydoselachiformes) Chlamydoselachiformes.
	www.absoluteastronomy.com /encyclopedia/h/he/hexanchiformes.htm (184 words)

	Frilled shark - Wikipedia, the free encyclopedia
		The frilled shark or frill shark (Chlamydoselachus anguineus) is a primitive shark, the sole living member of the Chlamydoselachidae in the order Hexanchiformes.
		It is very different from the other hexanchiform sharks, and it has been recently proposed that the frilled shark should be given its own order: Chlamydoselachiformes.
		Additional extinct types are known from fossil teeth.
	en.wikipedia.org /wiki/Frilled_shark (261 words)

	Hexanchiformes: Cow Sharks
		Note the denticle-free 'bald patch' at the base of the pectoral fin and the odd 'bump' in the lateral line at the base of the caudal fin.
		The hexanchiform sharks are mysterious creatures that lead secret lives, often in the deepest, darkest, coldest parts of the ocean.
		Due to the inaccessible depths inhabited by these sharks, we know very little about them.
	www.elasmo-research.org /education/shark_profiles/hexanchiformes.htm (950 words)

	Identification (Site not responding. Last check: 2007-10-18)
		Please note that this information is from 1983, and is probably no longer entirely accurate, however, it is one of the few scientific guides currently available for shark phylogeny.
		Hexanchiformes - single dorsal and anal fin, 6-7 pairs of gill slits and a spiracle, no nictitating membrane in eye.
		Heterodontiformes - spine before two dorsal fins and a single anal fin, 5 pairs of gill slits and a spiracle, no nictitating membrane in eye.
	www2.cedarcrest.edu /academic/bio/jcigliano/Shark_Conservation/ID.htm (825 words)

	Encyclopedia: Electricity (Site not responding. Last check: 2007-10-18)
		Bioelectromagnetism (sometimes equated with bioelectricity) refers to the static voltage of biological cells and to the electric currents that flow in living tissues, such as nerves and muscles, as a result of action potentials.
		Jump to: navigation, search Orders Hexanchiformes Squaliformes Pristiophoriformes Squatiniformes Heterodontiformes Orectolobiformes Carcharhiniformes Lamniformes Sharks are a group (superorder Selachimorpha) of fish, with a full cartilaginous skeleton, a streamlined body plan with between 5 and 7 gill slits along the sides (most often) or side of the head (the first modified...
		Families Apteronotidae (ghost knifefishes) Eigenmanniidae (obsolete?) Gymnotidae (naked-back knifefishes and electric eels) Hypopomidae Rhamphichthyidae Sternopygidae The gymnotiforms are an order (Gymnotiformes) of knifefishes that have organs adapted to the exploitation of bioelectricity.
	www.nationmaster.com /encyclopedia/Electricity (5974 words)

	WowEssays.com - Different Types Of Sharks
		The eight major orders of sharks include the Squantiformes, Pristiophormes, Squaliformes, Hexanchiformes, Carcharhiniformes, Lamniformes, Orectolobiformes, and the Heterodotiformes.
		Frilled sharks, Six, and Seven gill sharks (Hexanchiformes) have two families and five species.
		The 8 orders are named the Squantiformes, Pristiophormes, Squaliformes, Hexanchiformes, Carcharhiniformes, Lamniformes, Orectolobiformes, and the Heterodotiformes.
	www.wowessays.com /dbase/af2/rsk240.shtml (3105 words)

	Shark_Steamer (Site not responding. Last check: 2007-10-18)
		A teacher from the UK has survived being attacked by a shark after kicking and hitting it until it swam away.
		Hexanchiformes Scientific classification Kingdom: Animalia Phylum: Chordata Class: Chondrichthyes Order: Hexanchiformes Families Chlamydoselachidae (frilled shark) Hexanchidae (cow sharks) Hexanchiformes is the order consisting of the most primitive types of sharks, and numbering just a handful of species.
		Hexanchiform sharks have only one dorsal fin, either six or seven gill slits, and no nictita
	bonose.com /Shark_Steamer-92.html (664 words)

	Florida Museum of Natural History Ichthyology Department (Site not responding. Last check: 2007-10-18)
		DNA was extracted from a blood sample taken from a specimen of the rare prickly shark (Echinorhinus cookei) which stranded alive at Moss Landing, Monterey Bay, Califoxnia Two genes widely used in molecular phylogeny studies, the cytochrome b, and the 18S rRNA genes, have been sequenced.
		The prickly shark, the dogfish, md the sevengill shark were found to be equally distant from one another in this analysis.
		These results suggest that the prickly shark is neither in the order Squaliformes, nor in the order Hexanchiformes.
	www.flmnh.ufl.edu /fish/Organizations/AES/abst92a.htm (3471 words)

	Glossary Searched Term (Site not responding. Last check: 2007-10-18)
		Fishes of the Family Chlamydoselachidae, Order Hexanchiformes (frill and cow sharks).
		Poissons de la famille des Chlamydoselachidae, ordre des Hexanchiformes (requins frangés et grisets).
		Voir FishBase pour plus d'information sur cette famille.
	202.123.56.178 /Glossary/Glossary.cfm?TermEnglish=clamidosel%E1cidos (69 words)

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