What is another word for Subclass Crossopterygii?
Pronunciation: [sˈʌbklas kɹˈɒsəptəɹˌɪd͡ʒɪˌa͡ɪ] (IPA) 
Subclass Crossopterygii is a unique and important group of fishes that have several synonyms used to refer to them. One of the most commonly used synonyms is the term "lobe-finned fishes," which captures the distinctive feature of their fins. Another synonym is the term "coelacanths," which refers specifically to the surviving members of this subclass. The term "Sarcopterygii" is also sometimes used to refer to this group of fishes. This term emphasizes their anatomy, specifically their fleshy and muscular fins. Other synonyms for Subclass Crossopterygii include the terms "primitive bony fishes," "lobe-finned vertebrates," and "lobe-finned tetrapods." Regardless of the term used, it is clear that Subclass Crossopterygii contains an important and unique group of fishes with a rich evolutionary history.
