Petr Hykš:
Phorusrhacidae "terror bird"
Petr Hykš:
Early birds
Petr Hykš:
Early bird fossil
Petr Hykš:
Archaeopteryx lithographica
Petr Hykš:
Allosaurus
Petr Hykš:
Jurassic dinosaur fossil from the Czech republic - Tetanurae indet. tooth
Petr Hykš:
Ichthyosaur
Petr Hykš:
Pachyophis woodwardi
Petr Hykš:
Model of Triassic Slovakian dinosaurus, Coelurosaurichnus tatricus
Petr Hykš:
Sciurumimus albersdoerfi, juvenile feathered theropod from Painten
Petr Hykš:
Archaeopteryx lithographica, Berlin specimen
Petr Hykš:
Archaeopteryx lithographica, London specimen