†Erronea (Gratiadusta) Iredale 1930 (cowry)
Gastropoda - Sorbeoconcha - Cypraeidae
Alternative spelling: Gratiadusta
Parent taxon: Erronea according to F. A. Schilder 1941
Sister taxa: Cypraea (Erronea) mbalavuensis, Erronea (Cribraria), Erronea caurica, Erronea cylindrica, Erronea errones, Erronea pyriformis, Erronea subviridis
Subtaxa: Erronea (Gratiadusta) nasuta
Ecology: epifaunal omnivore-grazer
Distribution: found only at Kutch (Miocene of India)