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Zoology > Osteichthyes: Bony Fish > Flashcards

Osteichthyes: Bony Fish Flashcards

1
Q

What animals are apart of class actinopterygii

A

Ray finned fish

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2
Q

What animals are part of class sarcopterygii

A

Lobe finned fish

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3
Q

Characteristics of class actinopterygii

A

Paired and median fin, long dermal rays, cycloid-ctendoid-or absent scales

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4
Q

Characteristics of subclass cladistia

A

Ganoid scales, lungs, spiracles present, dorsal fin composed of 5-18 Finlets, bichers belong to thing group

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5
Q

Characteristics of subclass chondrostei

A

Ganoid scales or scutes, skeleton mostly cartilage, caudal fin is heteroceral, more fin rays than ray supports, paddle fish and sturgeons belong to this group

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6
Q

Characteristics of subclass neopterygii

A

Caudal fin usually homocercal, cycloid scales or rarely ganoid

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7
Q

Characteristics of class sarcopterygii

A

Skeleton ossified, single gill opening covered by operculum, paired fins with sturdy internal skeleton, intestine with spiral valve, usually with lungs

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Zoology (3 decks)

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