Geology, Stratigraphic 126 Paleontology 121 Geology 78 Paleobotany 41 Foraminifera, Fossil 26 Cretaceous Geologic Period 9 Palynology 9 Petrology 9 Micropaleontology 7 Pollen, Fossil 7 Ammonoidea 6 Geology, Structural 6 Rocks, Sedimentary 6 Gastropoda, Fossil 5 Paleontology, Stratigraphic 5 Brachiopoda, Fossil 4 Inoceramus 4 Petroleum 4 Sedimentation and deposition 4 Bivalvia, Fossil 3 Formations (Geology) 3 Invertebrates, Fossil 3 Mollusks, Fossil 3 Natural gas 3 Oysters, Fossil 3 Paleogeography 3 Rocks, Igneous 3 Sea urchins, Fossil 3 Spores (Botany), Fossil 3 Angiosperms, Fossil 2 Belemnites 2 Boven-Krijt 2 Bryozoa, Fossil 2 Coccoliths, Fossil 2 Geochemistry 2 Huîtres fossiles 2 Limestone 2 Marl 2 Ore deposits 2 Ostracoda, Fossil 2 Paleoceanography 2 Paleoclimatology 2 Paleoecology 2 Paléobiologie 2 Paléontologie 2 Plankton, Fossil 2 Radiolaria, Fossil 2 Reptiles, Fossil 2 Rocks, Carbonate 2 Sponges, Fossil 2 Stratigraphic correlation 2 Tethys (Paleogeography) 2 Volcanite 2 Ammonoïdés 1 Anthozoa 1 Astartidae, Fossil 1 Bioherms 1 Bivalves, Fossil 1 Bryozoa 1 Carbonates 1 Catastrofetheorie (geologie) 1 Catastrophes (Geology) 1 Chalk 1 Charistosomidae 1 Charitosomidae 1 Chloranthaceae 1 Cladistic analysis 1 Clay 1 Coccoliths 1 Congresses 1 Corals, Fossil 1 Crassostrea 1 Cretaceous 1 Cretaceous-Tertiary boundary 1 Crust 1 Crustacea, Fossil 1 Ctenodontidae, Fossil 1 Cylindroteuthis 1 Céphalopodes fossiles 1 Diagenesis 1 Diatoms, Fossil 1 Dicotyledons, Fossil 1 Dinoflagellates, Fossil 1 Facies (Geology) 1 Fauna 1 Flint 1 Flysch 1 Foraminifera 1 Fossils 1 Geochemical prospecting 1 Gleicheniaceae, Fossil 1 Gonorhynchoïdés 1 Groundwater 1 Gymnosperms, Fossil 1 Hippuritoida 1 Hydrocarbons 1 Inoceramidae 1 Krijt (geologisch tijdvak) 1 Lagonibelus 1 Lava 1