Perhaps a species of Cheilanthes?

I grow C. sinuata, which is similar.

The turned leaf margins and marginal sori also remind me of Cheilanthes, which the botanists have now moved to Argyrochosma.

God, will they stop doing that moving stuff around. It gives me a head ache. You might enjoy this site. Desert Ferns of Arizona

Or it could be Astrolepis if it were sinuata.

Astrolepsis is more likely. The Wavy Scaly cloak fern is great at curling up when it is hot and dry. It is all over Central Texas and west of here. I collected one from the pass into Leakey Texas. It grows in my rock garden and I have not killed in 20 years. It curls up and looks like it is dead and then, wa- la, it opens up after a good rain. It puts up with some major alkalinity. Did I mention, that I never irrigate it .

thanks guys. :)