Stephan Hack

Choffatia (Grossouvria) kontkiewiczi

Choffatia (Grossouvria) orion

Choffatia (Grossouvria) polonica

Choffatia (Grossouvria) pseudofunata

Choffatia (Grossouvria) pseudofunata

Choffatia (Grossouvria) sp.

Choffatia (Grossouvria) sulcifera

Choffatia (Groussouvria) sulcifera

Choffatia (Subgrossouvria) cardoti

Choffatia poculum

Choffatia poculum

Choffatia sp.

Chondoceras multicostatum

Chondroceras gervillii

Chondroceras gervillii

Clambites schwabi