Coastal cliffs, Wales
Red sandstone cliffs, Wales, UK
Folds in rock, Cemaes Head, Pembrokeshire, Wales, UK
Sea stack, Wales
Eurypterids
Retiolites fossil on shale
Cambrian Trilobite
Sinkhole in limestone cliff, UK
Ordovician nautiloid and crinoid, artwork
Cliffs of Aberystwyth Grits
Goniatites crenistria fossilised in shale
Loganograptus fossil
Whiteavesia bivalve mollusk fossil
Phyllograptus fossil
Orthograptus fossil
Tetragraptus fossil
Fossilized Selenopeltis trilobite
Fossilized Sphaerexochus
Fossilized Onnia trilobite
Fossil Trilobites (Asaphus)
Fossil sea urchin spines
Fossil trilobite
Folded Sandstone, Kythira, Greece.
Vertically Inclined Sandstone Strata
Folded rock strata, Greece
Trimerocephalus trilobite fossil
Stratified marine sedimentary rocks
Trilobite, Asaphus punctatus
Folded rocks on coast
Cliff with folded rocks
Titanium deposits on a beach
Trilobite Fossil (Hoplolichoides conicotuberculatus) Wolhow River Russia (Middle Ordovician)
Sandstone cliffs
Cliffs at Handa Island, Scotland, UK
Anticlinal chevron rock fold
Gower limestone cliffs, Wales
Lump of coal, close up
Sigillaria plant fossil
Cyclostigma plant fossil
Devonian slates
Fossil algae
Chalk cliffs
Cyrtoceras Nautiloid shell
Stubblefieldia sp.
Paraceraurus exsul
Trilobite triarthus eatoni legs preserved
Quartz and schist outcrops
Sandstone cliffs, Corfu, Greece
Folded rock strata on Anglesey, Wales
Fossil Trilobite, Dicranurus monstrosus
Didymograptus, graptolite fossil
Trinucleus, trilobite fossil
Shale, close-up
A piece of black shale, close-up
Shale specimen
Coastal limestone platform
Natural oil seep, Ecuador
Devonian Old Red Sandstone quartz conglomerate, Gower, UK
Rock strata and snowmelt, Svalbard
Folded rock and bird colony
Shale with fossilized ripple marks
Sydney Harbor National Park, New South Wales, Australia
Blackchurch Rock in Crackington Formation
Kesselspitze, Radstatt Alps, Austria
Limestone and shale strata
Rock strata
Mariopteris muricata, fossil plant
Heliophyllum fossil
Fossilised sponge
Rugose coral on limestone surface
Fossilised cockroach
Soliclymenia ammonoid fossil
Brachiopods productus fossil
Rugose coral fossil
Clam shell fossilised in black limestone
Sea urchin fossilised in limestone
Glass Sponge fossil
Sea lilies fossilised in black stone
Rugose coral with pitted surface
Hymenocaris fossilized in stone
False razor shell fossilised in limestone
Paraconularia fossil
Fossil Discosauriscus amphibian
Marrella arthropod fossil
Lepidodendron Lycopsid Fossil
Fossil Horsetail (Annularia)
Fossil Seed Fern Leaf (Neuropteris)
Fossil Seed Fern
Fossiliferous limestone
Fossil trilobite, Phacops
Fossil Cystoid
Fossil Calamites leaves
Fossil Sphenophyllum plant
Fossil coral
Nautiloid fossil
Gymnosperm fossil
Alethopteris seed fern fossil
Asterophyllites horsetail fossil
Lepidodendron plant fossil
Mariopteris pteridosperm fossil
Pecopteris fern fossil
Walchia sp., fossil plant
Odontopteris subcrenulata, fossil plant
Autunia fossil fern
Millerella fossils in polished limestone
Mollusc fossil breccia
Remains of fossilised Eurypterids
A pair of Eurypterus remipes
Balteurypteru
Eusphenopteris neuropteroides fossil plant
Callipteridium pteridium fossil plant
Otovicia hypnoides fossil plant
Fossil scorpions
Trilobite fossil
Eurypterid, illustration
Cape Drastis, Corfu
Limestone cliffs, Warrnambool, Victoria
Fossil Salamander Northern China PermiaFossil Salamander Northern China Permian
Fossil Amphibian (Branchiosaurus) Germany (Permian)
Fossil Amphibian
Sea mist and sandstone cliffs
St. Oswald's Bay, Dorset, UK
Pictured Rocks National Lakeshore, Michigan, USA
Children and adult exploring the foreshore
Jurassic rock strata
Eroded and pitted rock
Major Alpine overthrust in the Swiss Alps
Major Alpine overthrust in the Alps
Cystoid fossil
Nummulitic limestone, polarised light micrograph
Geologic time scale
Thrombolites, Newfoundland, Canada
Cliffs and sea ice, Antarctica
Chalk cliffs, south-east England
Wave-cut platform, Portencross, Scotland
Duden Waterfalls, Turkey
Coastal landscape
Shale, close up
Red Shale
Shale
Fossiliferous Limey Shale, New York, USA
Pyrite crystals on Shale
Fossil Starfish preserved in Shale
Shale, California, USA
Sample of shale
Iron pyrite crystal, SEM
Iron pyrite crystals, SEM
Slimonia acuminate, fossil water scorpion
Fossil Sea Scorpion (Eurypterus remipes)
Brachyphyllum fossil plant
Fossilised Lepidodendron bark
Cliffs in Sisteron, Alpes de Haute Provence, France
St Bees Head, Cumbria, UK
Verrucano conglomerate rock
Olenus gibbosus trilobite fossil
Fossil Sea Scorpion
Glossopteris browniana Seed Fern leaves
Fossil Trilobite (Bumeistevella)
Fossil Trilobite (Greenops)
Fossil Trilobite (Psychopyge elegans)
Annularia fossil plant