Just some random fossils I've found over the years.
Taxon: Notorynchus kempi (sevengill shark)
Fossil type: tooth
Age: Eocene, Lutetian stage (~45 mya)
Stratigraphy: Kyiv formation
Location: sand inwashes, south of Kyiv city, Ukraine
Fossil type: tooth
Age: Eocene, Lutetian stage (~45 mya)
Stratigraphy: Kyiv formation
Location: sand inwashes, south of Kyiv city, Ukraine
Taxon: Mazopherusa prinosi (fan worm)
Fossil type: whole worm with bristles
Age: Carboniferous (Pennsylvanian) period, Moscovian stage (~309 mya)
Stratigraphy: Francis Creek shale, Carbondale formation
Location: coal mine spoils by Braceville, Illinois
Fossil type: whole worm with bristles
Age: Carboniferous (Pennsylvanian) period, Moscovian stage (~309 mya)
Stratigraphy: Francis Creek shale, Carbondale formation
Location: coal mine spoils by Braceville, Illinois
Taxon: Hybodus bidentatus (extinct shark)
Fossil type: tooth
Age: Cretaceous period, Albian stage (~100 mya)
Stratigraphy: Burim formation
Location: Kaniv preserve, central Ukraine
Fossil type: tooth
Age: Cretaceous period, Albian stage (~100 mya)
Stratigraphy: Burim formation
Location: Kaniv preserve, central Ukraine
Taxon: Deltodus sp. (holocephalian - chimaera relative)
Fossil type: tooth plate
Age: Carboniferous (Pennsylvanian) period, Moscovian stage (~309 mya)
Stratigraphy: Bond formation, La Salle member
Location: roadcut near Oglesby, Illinois
Fossil type: tooth plate
Age: Carboniferous (Pennsylvanian) period, Moscovian stage (~309 mya)
Stratigraphy: Bond formation, La Salle member
Location: roadcut near Oglesby, Illinois
Taxon: Allosaurus cf. jimmadseni (theropod dinosaur)
Fossil type: fully rooted tooth from a juvenile
Age: Jurassic period, Kimmeridgian stage (~150 mya)
Stratigraphy: Morrison formation, Salt Wash member
Location: ranch in Big Horn county, Wyoming
Fossil type: fully rooted tooth from a juvenile
Age: Jurassic period, Kimmeridgian stage (~150 mya)
Stratigraphy: Morrison formation, Salt Wash member
Location: ranch in Big Horn county, Wyoming
Taxon: Gonioceras occidentale (benthic nautiloid)
Fossil type: partial shell
Age: Ordovician period, Sandbian stage (~453 mya)
Stratigraphy: Platteville formation, Mifflin member
Location: roadcut in Dane county, Wisconsin
Fossil type: partial shell
Age: Ordovician period, Sandbian stage (~453 mya)
Stratigraphy: Platteville formation, Mifflin member
Location: roadcut in Dane county, Wisconsin
Taxon: Eoleperditia fabulites (ostracod - shelled crustacean)
Fossil type: both valves of a shell
Age: Ordovician period, Sandbian stage (~453 mya)
Stratigraphy: Platteville formation, Mifflin member
Location: roadcut in Grant county, Wisconsin
Fossil type: both valves of a shell
Age: Ordovician period, Sandbian stage (~453 mya)
Stratigraphy: Platteville formation, Mifflin member
Location: roadcut in Grant county, Wisconsin
Taxon: Lingula sp. (inarticulate brachiopod)
Fossil type: shell
Age: Ordovician period, Katian stage (~445 mya)
Stratigraphy: Nicolet River formation
Location: Montreal, Canada
Fossil type: shell
Age: Ordovician period, Katian stage (~445 mya)
Stratigraphy: Nicolet River formation
Location: Montreal, Canada
Taxon: Vogdesia simplex (trilobite)
Fossil type: partly enrolled trilobite
Age: Ordovician period, Sandbian stage (~453 mya)
Stratigraphy: Platteville formation, Grand Detour member
Location: roadcut in Green county, Wisconsin
Fossil type: partly enrolled trilobite
Age: Ordovician period, Sandbian stage (~453 mya)
Stratigraphy: Platteville formation, Grand Detour member
Location: roadcut in Green county, Wisconsin
Taxon: Heterodontus sp. (bullhead shark)
Fossil type: tooth
Age: Eocene, Lutetian stage (~45 mya)
Stratigraphy: Kyiv formation
Location: sand inwashes, south of Kyiv city, Ukraine
Fossil type: tooth
Age: Eocene, Lutetian stage (~45 mya)
Stratigraphy: Kyiv formation
Location: sand inwashes, south of Kyiv city, Ukraine
Taxon: Methriorhynchidae indet. (marine crocodile)
Fossil type: tooth
Age: Jurassic period, Callovian stage (~162 mya)
Stratigraphy: Solochinska formation
Location: Cherkasy region, Ukraine
Fossil type: tooth
Age: Jurassic period, Callovian stage (~162 mya)
Stratigraphy: Solochinska formation
Location: Cherkasy region, Ukraine
Taxon: Diplodocoidea indet. (sauropod dinosaur)
Fossil type: tooth
Age: Jurassic period, Kimmeridgian stage (~150 mya)
Stratigraphy: Morrison formation, Salt Wash member
Location: ranch in Big Horn county, Wyoming
Fossil type: tooth
Age: Jurassic period, Kimmeridgian stage (~150 mya)
Stratigraphy: Morrison formation, Salt Wash member
Location: ranch in Big Horn county, Wyoming
Taxon: Calamites sp. (horsetail)
Fossil type: shoot of a plant
Age: Carboniferous (Pennsylvanian) period, Moscovian stage (~309 mya)
Stratigraphy: Francis Creek shale, Carbondale formation
Location: Mazonia-Braidwood area (Pit 11), Illinois
Fossil type: shoot of a plant
Age: Carboniferous (Pennsylvanian) period, Moscovian stage (~309 mya)
Stratigraphy: Francis Creek shale, Carbondale formation
Location: Mazonia-Braidwood area (Pit 11), Illinois
Taxon: Megasqualus cf. orpinensis (dog shark)
Fossil type: tooth
Age: Eocene, Lutetian stage (~45 mya)
Stratigraphy: Kyiv formation
Location: sand inwashes, south of Kyiv city, Ukraine
Fossil type: tooth
Age: Eocene, Lutetian stage (~45 mya)
Stratigraphy: Kyiv formation
Location: sand inwashes, south of Kyiv city, Ukraine
Taxon: Eldredgeops norwoodensis (trilobite)
Fossil type: trilobite pygidium (tail)
Age: Devonian period, Givetian stage (~385 mya)
Stratigraphy: Milwaukee formation, Lindwurm member
Location: Milwaukee, Wisconsin
Fossil type: trilobite pygidium (tail)
Age: Devonian period, Givetian stage (~385 mya)
Stratigraphy: Milwaukee formation, Lindwurm member
Location: Milwaukee, Wisconsin
Taxon: Cyathocarpus arborea (fern)
Fossil type: fern leaves
Age: Carboniferous (Pennsylvanian) period, Moscovian stage (~310 mya)
Stratigraphy: Rhode Island formation
Location: Portsmouth, Rhode Island
Fossil type: fern leaves
Age: Carboniferous (Pennsylvanian) period, Moscovian stage (~310 mya)
Stratigraphy: Rhode Island formation
Location: Portsmouth, Rhode Island
Taxon: stromatolite (microbial mat)
Fossil type: stromatolite
Age: Cambrian period, Furongian stage (~490 mya)
Stratigraphy: Jordan formation
Location: Dane county, Wisconsin
Fossil type: stromatolite
Age: Cambrian period, Furongian stage (~490 mya)
Stratigraphy: Jordan formation
Location: Dane county, Wisconsin
Taxon: Coprinoscolex elliogimus (spoon worm)
Fossil type: whole worm
Age: Carboniferous (Pennsylvanian) period, Moscovian stage (~309 mya)
Stratigraphy: Francis Creek shale, Carbondale formation
Location: Mazonia-Braidwood area (Pit 11), Illinois
Fossil type: whole worm
Age: Carboniferous (Pennsylvanian) period, Moscovian stage (~309 mya)
Stratigraphy: Francis Creek shale, Carbondale formation
Location: Mazonia-Braidwood area (Pit 11), Illinois
Taxon: Essexella ascherae (sea anemone or a jellyfish)
Fossil type: whole body
Age: Carboniferous (Pennsylvanian) period, Moscovian stage (~309 mya)
Stratigraphy: Francis Creek shale, Carbondale formation
Location: coal mine spoils by Braceville, Illinois
Fossil type: whole body
Age: Carboniferous (Pennsylvanian) period, Moscovian stage (~309 mya)
Stratigraphy: Francis Creek shale, Carbondale formation
Location: coal mine spoils by Braceville, Illinois
Taxon: Theropoda indet. (theropod dinosaur)
Fossil type: tooth
Age: Jurassic period, Kimmeridgian stage (~150 mya)
Stratigraphy: Morrison formation, Salt Wash member
Location: ranch in Big Horn county, Wyoming
Fossil type: tooth
Age: Jurassic period, Kimmeridgian stage (~150 mya)
Stratigraphy: Morrison formation, Salt Wash member
Location: ranch in Big Horn county, Wyoming
Taxon: Lepidostrobophyllum cf. majus (lycopod)
Fossil type: cone bract (leaf)
Age: Carboniferous (Pennsylvanian) period, Moscovian stage (~309 mya)
Stratigraphy: Francis Creek shale, Carbondale formation
Location: coal mine spoils by Braceville, Illinois
Fossil type: cone bract (leaf)
Age: Carboniferous (Pennsylvanian) period, Moscovian stage (~309 mya)
Stratigraphy: Francis Creek shale, Carbondale formation
Location: coal mine spoils by Braceville, Illinois
Taxon: Hybodontiformes indet. (extinct shark)
Fossil type: tooth
Age: Jurassic period, Callovian stage (~162 mya)
Stratigraphy: Solochinska formation
Location: Cherkasy region, Ukraine
Fossil type: tooth
Age: Jurassic period, Callovian stage (~162 mya)
Stratigraphy: Solochinska formation
Location: Cherkasy region, Ukraine
Taxon: Otodus auriculatus (extinct shark, megalodon ancestor)
Fossil type: tooth
Age: Eocene, Lutetian stage (~45 mya)
Stratigraphy: Kyiv formation
Location: sand inwashes, south of Kyiv city, Ukraine
Fossil type: tooth
Age: Eocene, Lutetian stage (~45 mya)
Stratigraphy: Kyiv formation
Location: sand inwashes, south of Kyiv city, Ukraine
Taxon: Eutrichiurides sp. (cutlassfish)
Fossil type: tooth
Age: Eocene, Lutetian stage (~45 mya)
Stratigraphy: Kyiv formation
Location: sand inwashes, south of Kyiv city, Ukraine
Fossil type: tooth
Age: Eocene, Lutetian stage (~45 mya)
Stratigraphy: Kyiv formation
Location: sand inwashes, south of Kyiv city, Ukraine
Taxon: Platypterigius sp. (ichthyosaur)
Fossil type: tooth
Age: Cretaceous, Cenomanian stage (~95 mya)
Stratigraphy: unnamed unit
Location: Malyn, Zhytomyr region, Ukraine
Fossil type: tooth
Age: Cretaceous, Cenomanian stage (~95 mya)
Stratigraphy: unnamed unit
Location: Malyn, Zhytomyr region, Ukraine
Taxon: unknown
Fossil type: coprolite (fossil poop)
Age: Carboniferous (Pennsylvanian) period, Moscovian stage (~309 mya)
Stratigraphy: Francis Creek shale, Carbondale formation
Location: Mazonia-Braidwood area (Pit 11), Illinois
Fossil type: coprolite (fossil poop)
Age: Carboniferous (Pennsylvanian) period, Moscovian stage (~309 mya)
Stratigraphy: Francis Creek shale, Carbondale formation
Location: Mazonia-Braidwood area (Pit 11), Illinois