Ringsteadia
Ringsteadia is a genus of Jurassic ammonites.
Distribution
Ringsteadia specimens have been found in France, Germany, the Russian Federation and the United Kingdom.
Species
Ringsteadia anglica Salfeld, 1917Ringsteadia bassettensis Spath, 1935Ringsteadia brandesi Salfeld, 1917Ringsteadia evoluta Salfeld, 1917Ringsteadia frequens Salfeld, 1917Ringsteadia marstonensis Salfeld, 1917Ringsteadia pseudocordata Blake and Hudleston, 1877Ringsteadia pseudoyo Salfeld, 1917Ringsteadia salfeldi Dorn, 1925Ringsteadia sphenoidea Buckman, 1926