Which lineage includes two species of coelacanths and six species of lungfish among its living members?

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The lineage that includes two species of coelacanths and six species of lungfish among its living members is Sarcopterygii. This group of fish is characterized by having fleshy fins and a bony endoskeleton, and is thought to be the closest living relatives of tetrapods (four-limbed vertebrates). Myxinoidea and Petromyzontoidea are both lineages of jawless fish, while Actinopterygii includes the vast majority of modern fish species and is characterized by having Ray-finned fins.

Which Lineage Includes Two Species of Coelacanths and Six Species