Acetabula costifera (S.Lundell & Nannf.)

Benedix (1965) Paxina costifera (Nannf.)

Stangel (1963) Helvella costifera is a species of fungus in the family Helvellaceae, Pezizales order.

Its ascocarp has conspicuous ribs on its undersurface.

This species has been found in China,[1] Europe (Spain),[2] and North America (including Mexico),[3] where it is widely distributed.