Subclass of Osteichthyes Flashcards
1
Q
What is the subclass with lobed fin fishes (lungfishes & coelacanths?
A
Sarcopterygii
2
Q
What organisms are in Sarcopterygii?
A
Lungfishes & coelacanths
3
Q
What type of fishes are in Sarcopterygii
A
lobe-finned fishes
4
Q
What is the subclass with ray finned fishes
A
Actinopterygii
5
Q
What separates Sarcopterygii from Actinopterygii
A
-paired fins with muscular lobes
-pneumatic sacs function as lungs
6
Q
What separates Actinopterygii from Sarcopterygii
A
-paired fins supported by dermal rays
-basal portions of paired fins not muscular
-heterocercal caudal fins
-blind olfactory sacs
