Which of the following species belongs in the lobe-finned class of fish?

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Lobe-finned fish are characterized by their fleshy, lobed, paired fins, which are joined to the body by a single bone. The term "ancient fish" can refer to various prehistoric fish species, many of which were lobe-finned fish. Lampreys, rays, and trout do not belong to the lobe-finned class; lampreys are jawless fish, rays are cartilaginous fish, and trout are ray-finned fish.

Which of the Following Species Belongs in the Lobe-Finned Class