Stephan Hack

Ataxioceras (Ataxioceras) hypselocyclum

Ataxioceras (Ataxioceras) hypselocyclum, juvenil

Ataxioceras (Ataxioceras) pulchellum

Ataxioceras (Ataxioceras) striatellum

Ataxioceras (Ataxioceras) subinvolutum

Ataxioceras (Parataxioceras) cf. effrenatum

Ataxioceras (Parataxioceras) desmoides

Ataxioceras (Parataxioceras) desmoides

Ataxioceras (Parataxioceras) desmoides

Ataxioceras (Parataxioceras) lothari

Ataxioceras (Parataxioceras) oppeli

Ataxioceras (Parataxioceras) oppeli

Ataxioceras (Parataxioceras) pseudoeffrenatum

Ataxioceras (Parataxioceras) robustum

Ataxioceras (Parataxioceras) schaireri

Ataxioceras (Parataxioceras) sp.