What is another word for crossopterygii?
Pronunciation: [kɹˈɒsəptəɹˌɪd͡ʒɪˌa͡ɪ] (IPA) 
Crossopterygii is a taxonomic name for a specific group of fish known for their unique skeletal structure. Synonyms for this term include the class Sarcopterygii, which refers to lobe-finned fishes, and coelacanths, which are a type of ancient crossopterygian fish that are still alive today. Other related terms include the subclass Actinistia, which comprises coelacanths and extinct lineages, and the superorder Osteolepiformes, which includes various extinct lobe-finned fish. These synonyms all refer to groups of fish that share similar characteristics in terms of their fins and skeleton, making them important in understanding the evolution of modern vertebrates.
