fossiles nouveaux ou peu connus des terrains secondaires (mésozoïques) du jura et des contrées...
DESCRIPTION
Louis Rollier's 1911 monograph on the Mesozoic crinoids, echinoids, and brachiopods of the Jura (in French)TRANSCRIPT
DESCRIPTION
Louis Rollier's 1911 monograph on the Mesozoic crinoids, echinoids, and brachiopods of the Jura (in French)TRANSCRIPT