Ringsteadia

Ringsteadia is a Jurassic ammonite.

Distribution
France, Germany, the Russian Federation and the United Kingdom

Species

 * Ringsteadia anglica Salfeld, 1917
 * Ringsteadia bassettensis Spath, 1935
 * Ringsteadia brandesi Salfeld, 1917
 * Ringsteadia evoluta Salfeld, 1917
 * Ringsteadia frequens Salfeld, 1917
 * Ringsteadia marstonensis Salfeld, 1917
 * Ringsteadia pseudocordata Blake and Hudleston, 1877
 * Ringsteadia pseudoyo Salfeld, 1917
 * Ringsteadia salfeldi Dorn, 1925
 * Ringsteadia sphenoidea Buckman, 1926