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Topic: Selachimorpha


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In the News (Mon 30 Nov 09)

  
  NationMaster - Encyclopedia: Spiracle
In elasmobranchs (sharks, skates, and rays), a spiracle is found behind each eye, and is used to pump water through the gills while the animal is at rest (Fouts, 2003).
Superorders Galeomorpha Batoidea Selachimorpha Elasmobranchii is the subclass of cartilaginous fishes that includes skates, rays and sharks.
Orders see article text below 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 slit is behind the eye and called a...
www.nationmaster.com /encyclopedia/Spiracle   (548 words)

  
 Classification of Sharks - The World of Sharks
Subclass Plagiostomi (sharks and rays: upper jaw hung from skulls and different kind of blood)
Superorder Selachimorpha (sharks: free upper eyelids, gill openings on the head, and pectoral fins separate from the side of the head)
Subclass Elasmobranchii (upper jaw that is not fused to the braincase, no swim bladder, advanced electroreceptive system, a spiracle, skin with placoid scales, teeth modified placoid scales, and 5-7 separate slit-like gill openings on each side of the body: there are about 600 species of sharks, skates, and rays)
www.worldofsharks.net /classification_sharks.htm   (136 words)

  
  Minor Discworld characters - Wikipedia, the free encyclopedia
They are known for being assassins, and are traditional rivals of the Venturi.
They are named after the Selachimorpha as a play on the Sharks in West Side Story
The main character in Equal Rites, where she became the Unseen University 's first (and only) female graduate.
en.wikipedia.org /wiki/Quoth   (3645 words)

  
 Hematology, Cardiac, and Gill Morphology in Regionally Endothermic and Ectothermic Elasmorbanchs (Selachimorpha).   (Site not responding. Last check: 2007-10-15)
Hematology, Cardiac, and Gill Morphology in Regionally Endothermic and Ectothermic Elasmorbanchs (Selachimorpha).
Emery, Scott H. Hematology, Cardiac, and Gill Morphology in Regionally Endothermic and Ectothermic Elasmorbanchs (Selachimorpha).
A Dissertation presented by Scott H. Emery to the Graduate School in Partial Fulfillment of the Requirements for the Degree of Doctorate of Philosophy in Biological Sciences (Ecology and Evolution).
www.goodtimesbookshop.com /bookstore/store/7361d.htm   (71 words)

  
 SHARK CLASSIFICATION- Enchanted Learning Software
Plagiostomi (sharks and rays: upper jaw hung from skulls and different kind of blood)
Selachimorpha (sharks: free upper eyelids, gill openings on the head, and pectoral fins separate from the side of the head)
Elasmobranchii (upper jaw that is not fused to the braincase, no swim bladder, advanced electroreceptive system, a spiracle, skin with placoid scales, teeth modified placoid scales, and 5-7 separate slit-like gill openings on each side of the body: there are about 600 species of sharks, skates, and rays)
www.enchantedlearning.com /subjects/sharks/classification   (385 words)

  
 shark | TutorGig.co.uk Encyclopedia   (Site not responding. Last check: 2007-10-15)
The jaw was realized to be inaccurate, and estimates revised downwards to around 6 m (20 feet).
see shark taxonomy for complete classification of 'Selachimorpha '
The sex of a shark can be easily determined.
www.tutorgig.co.uk /ed/shark   (2335 words)

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