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ZOO 4307C (9)
chu (9)
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School
University of Florida
Department
Biology - Zoology
Course
ZOO 4307C
Professor
chu
Semester
Spring

Description
Sarcopterygian characteristics Monday, February 24, 2014 10:37 PM • Primative ○ 20-70cm long, cylindrical in shape ○ 2 dorsal fins (vs single dorsal fin of actinopterygians) ○ Epichordal lobe on caudal fin ○ No reduction ○ Limited jaw mobility, howeverhad large jaw muscles ○ Paired fins joined to the body by a single bone (monobasic) ○ Have cosmoidscales, consisting of lamellar bone surrounded by layers of vascular bone, dentine like cosmine, and keratin  The coelacanth has modified cosmoid scales (thinner, lack cosmine)  Lungfish have a 2nd derived cosmoid scales in ○ All have teeth covered with tru
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