Subclass Crossopterygii — synonyms, definition
1. subclass Crossopterygii (Noun)
1 synonym
Crossopterygii
1 definition
subclass Crossopterygii (Noun) — Fishes having paired fins resembling limbs and regarded as ancestral to amphibians.
1 type of
class
5 parts
Latimeridae crossopterygian family Latimeridae lobe-finned fish lobefin
2 parts of
Osteichthyes class Osteichthyes