Sturgeons and paddlefishes (Order: Acipenseriformes) make up the group Chondrostei. There are approximately 26 species of sturgeons and 2 species of paddlefishes (American and Chinese paddlefish).
PRIMITIVE FISHES
Living Fossils and Their Ancestors
Sturgeons and paddlefishes (Order: Acipenseriformes) make up the group Chondrostei. There are approximately 26 species of sturgeons and 2 species of paddlefishes (American and Chinese paddlefish).
PRIMITIVE FISHES 