Stethacanthus
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Stethacanthus is an extinct genus of shark-like cartilaginous fish which lived from the Late Devonian to Late Carboniferous epoch, dying out around 298.9 million years ago. Fossils have been found in
Stethacanthus altonensis spine
Stethacanthuses DB 2
Restoration of a S. altonensis pair
Restoration of S. productus with prey
Chondrichthyes
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Chondrichthyes is a class of jawed fish that contains the cartilaginous fish or chondrichthyans, which all have skeletons primarily composed of cartilage. They can be contrasted with the Osteichthyes
Stethacanthus
…Stethacanthus is an extinct genus of shark-like cartilaginous fish which lived from the Late Devonian to Late Carboniferous epoch, dying out around 298.9 million years ago. Fossils have been found in Australia, Asia…
Chondrichthyes
Myliobatis aquila sasrája
Heterodontus zebra
Squatina angelus Gervais