Stephan Hack

Lytoceras salebrosum

Lytoceras salebrosum

Lytoceras salebrosum

Lytoceras sp.

Macrocephalites

Macrocephalites (Dolikephalites) intermedius

Macrocephalites (Dolikephalites) perseverans

Macrocephalites (Dolikephalites) subcompressus

Macrocephalites (Dolikephalites) subcompressus

Macrocephalites (Dolikephalites) subtrapezinus

Macrocephalites (Dolikephalites) subtumidus

Macrocephalites (Indocephalites) platystomus

Macrocephalites (Indocephalites) rotundus

Macrocephalites (Indocephalites) sphaericus

Macrocephalites (Indocephalites) tumidus

Macrocephalites (Indocephalites) tumidus