Details

Title: !Fishes 2

Description: Elasmobranch Classification: Euselachii: Orders of Division Squalea

Total Flash Cards: 5

Created: 11/11/2009 08:46:28

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Additional Biology Flashcards

Cards in this set:

Term
Squatiniformes
 Definition
angel sharks; enlarged pelvic fins, pectoral fins continuous w/ sides of head
Term
Squaliformes
 Definition
dogfish sharks; no anal fin w/ 2 dorsal fins w/ spine along leading edge; 1st dorsal originates infront of pelvic fin orgins
Term
Hexanchiformes
 Definition
six and seven gilled sharks;anal fin present w/ single dorsal fin; six or seven gill slits
Term
Pristiophoriformes
 Definition
saw sharks; long flat blade-like snout w/ slender needle sharp teeth and long barbels front of nostrils
Term
Echinorhiniformes
 Definition
alligator dogfish; poorly known; moderate mouth, bramble sharks feed sucking prey at close range by expanding pharynx and mouth creating vacuum; very spiney