Hettangium

Psiloceras (Psiloceras) planorbis

Psiloceras (Psiloceras) plicatulum

Psiloceras (Psiloceras) plicatulum

Psiloceras (Psiloceras) plicatulum

Psiloceras (Psiloceras) psilonotum

Psilophyllites hagenowii

Schlotheimia complanata

Schlotheimia complanata

Schlotheimia depressa

Schlotheimia depressa

Schlotheimia depressa

Schlotheimia depressa

Schlotheimia germanica

Schlotheimia phobetica

Schlotheimia polyeides

Schlotheimia striatissima