Petr Hykš:
Proterozoic, slightly metamorphosed pillow lava
Petr Hykš:
Jurassic shark tooth
Petr Hykš:
Rudice-type geode
Petr Hykš:
Pálava
Petr Hykš:
Rudice locality
Petr Hykš:
Discordance (angular unconformity)
Petr Hykš:
Graptolite slate
Petr Hykš:
Monograptus sp. graptolite
Petr Hykš:
Conoryphe cirina trilobite (positive)
Petr Hykš:
Pekárka locality
Petr Hykš:
Čejč - výchoz locality
Petr Hykš:
Gastropoda (Melanopsis sp.), unidentified fragments
Petr Hykš:
Mytilopsis ornithopsis
Petr Hykš:
Agate found in Elbe or Jizera terrace
Petr Hykš:
Agate found in Elbe or Jizera terrace
Petr Hykš:
Fossilised shark teeth, jurassic
Petr Hykš:
Jurassic limestone
Petr Hykš:
Petrified wood
Petr Hykš:
Rudice locality
Petr Hykš:
Brno - Hády quarry
Petr Hykš:
Brachiopod fossils in a baltic chert
Petr Hykš:
Brachiopod fossils in a baltic chert
Petr Hykš:
Agate found in Elbe or Jizera terrace
Petr Hykš:
Sea urchin spine fossil imprint in chert
Petr Hykš:
Fossil gastropod in travertine
Petr Hykš:
Gastropod fossil in travertine
Petr Hykš:
Devonian paraspirifer brachiopods
Petr Hykš:
Rudice-type geodes
Petr Hykš:
Agate found in Elbe terraces
Petr Hykš:
Archlebov, southern Moravia