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