chondrostean: Quick Facts

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Facts

Also Known As	Chondrostei

Photos

Russian sturgeon (Acipenser gueldenstaedtii)

Illustration of two prehistoric chondrostean fish from the order Palaeonisciformes: a large, elongated Cheirolepis in the foreground and a smaller, deep-bodied Platysomus behind it. Both fish have distinct body shapes and are labeled with their names.

Illustration of Platysomus, an extinct chondrostean fish from the order Palaeonisciformes, showing a deep, laterally compressed body with large scales, a triangular dorsal fin, and a blunt, armored head.

Body plans of representative chondrostean fishes.

phyletic family tree for fishes

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Topics

shovelhead sturgeon Palaeonisciformes Acipenseriformes Chondrosteiformes paddlefish sturgeon Cheirolepis Aral Sea shovelnose sturgeon white sturgeon sterlet holostean teleost blackfish

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