†Ringsteadia (Decipia)
Cephalopoda - Ammonitida - Aulacostephanidae
Alternative spelling: Decipia
Parent taxon: Ringsteadia according to D. Grigore and I. Marcu 2009
See also Sepkoski 2002
Sister taxa: Ringsteadia anglica, Ringsteadia bassettensis, Ringsteadia brandesi, Ringsteadia evoluta, Ringsteadia frequens, Ringsteadia marstonensis, Ringsteadia pseudocordata, Ringsteadia pseudoyo, Ringsteadia salfeldi, Ringsteadia sphenoidea
Subtaxa: Ringsteadia (Decipia) haliarchus Ringsteadia (Decipia) helvetica
Distribution: