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35 Cards in this Set
- Front
- Back
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______ of pectoral girdles connected dorsally over vertebral column or fused
with synarcual. |
Suprascapulae
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Torpedo Ray order
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Order Torpediniformes
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Two Torpediniformes genera
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Torpedo and Hypnos (monotypic)
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Electric Rays?
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torpediniforms
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Skates?
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Rajiforms
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Cells that generate electric current in electric rays
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electrocytes
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Electricity is produced in what way?
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- Same general principles used to generate nerve impulse and muscle contraction.
- Ionic conc. gradients maintained by the Na+/K+/ATPase pump and selective permeability |
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Sawfishes order
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Order Pristiformes
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Skates and guitarfishes order
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Order Rajidae
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bowmouth guitarfish family
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Rhinidae
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wedgefish
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Rhynchobatidae
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guitarfish
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Rhinobatidae
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skate
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Rajidae
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rays order
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Order Myliobatiformes
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American round stingrays
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Urotrygonidae
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whiptail stingray
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Dasyatidae
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butterfly ray
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Gymnuridae
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eagle, cownose, and devil (manta) rays
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Myliobatidae
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eagle ray subfamily
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Myliobatinae
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cownose ray subfamily
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Rhinoterinae
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manta subfamily
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Mobulinae
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enzymes of ray poison
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5-nucleotidase, phosphodiesterase. Necrosis of tissues
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Neurotransmitters of ray poison
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serotonin: causing smooth uscle contraction; primary cause of intense pain
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Components of poison are ____
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proteins; can by denatured by high heat and meat tenderizer!
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Jaw suspension of holocephalans
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holostylic
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jaw suspension of batoids
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euhyostylic
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male holocephalans have cephalic clasping organ called
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tetaculum
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holocephalan order
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Order Chimaeriformes
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plownose chimaeras superfamily
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callorhinchoidea
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plownose chimaeras family
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callorhinchidae
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plownose chimaera genus
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Callorhincus
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longnose chimaera
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Rhinochimaeridae
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shortnose chimaera
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Chimaeridae
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holocephalin in sink during class?
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Hydrolagus
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holocephalan encountered by humans often
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Callorhinchus
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