Fishes Flashcards
Class Myxini
Hagfishes
Class Petromyzontida
Lampreys
Class Chondrichthyes
Cartilaginous Fishes
Class Actinopterygii
Ray Finned Fishes
Caudal Fin Types
Homocercal -Upper and lower lobes the same
Hetercercal - upper and lower lobes different
Scale types
Placiod, ganoid, Ctendoid and Cycloid
Elamobranchs have what type of scales
Placoid - denticles
Lung fish have what type of scales?
Cosmoid Scales
hag fish body plan
Tentacles, gill slits mucous glands
Lamprey body plan
Gill openings
Superclass Agnatha
Class myxini
Class petromyzontida
Superclass Gnathostomata
Class chrondrichthyes
Class actinopterygii
Placiod Scales
Found in what
Denticles Tooth like pith.
Elasmobranchs
Cosmoid scales
Lung fish, Early lobe fins
Ganiod scales
Stugeon, peg like