What are Chondrostei?
Q: What are Chondrostei?
A: Chondrostei are a sub-class of ray-finned fish.
Q: What groups of fish are under Chondrostei?
A: Chondrostei include two orders: Acipenseriformes (sturgeons and paddlefishes) and Polypteriformes (reedfishes and bichirs).
Q: What kind of fish are sturgeons?
A: Sturgeons are huge fish that provide caviar.
Q: What are the similarities between Chondrostei and sharks?
A: The Chondrostei and sharks both have a similar structure of the jaw and mostly lack bone; both lack scales (except the Polypteriforms) and share features such as spiracles and a heterocercal tail.
Q: How are Chondrostei different from other bony fish?
A: Chondrostei have more in common with the Teleostei than their external appearance might suggest.
Q: How many species are there in Chondrostei?
A: There are 52 species in Chondrostei.
Q: What is the fossil record's suggestion about Chondrostei?
A: The fossil record suggests that Chondrostei have more in common with the Teleostei than their external appearance might suggest.
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