What are Carcharhiniformes?
Carcharhiniformes is an order of the Galeomorphii superorder. (1)
Carcharhiniformes are also known as ground sharks. (1)

What characteristics define Carcharhiniformes?
presence of a nictitating membrane over the eye, two dorsal fins, an anal fin, and five gill slits. (1)

What are the species in the Carcharhiniformes order?
There are over 270 species (1)
catsharks (1)
swellsharks (1)
sandbar sharks (1)

Resources
1. https://en.wikipedia.org/wiki/Carcharhiniformes

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