Alabama

Lophorhothon Nodosaurus

Alaska

Albertosaurus
Ankylosaur
Edmontosaurus
Pachycephalosaurus
Pachyrhinosaurus
Saurornitholestes
Thescelosaurus
Troodon

Arizona

Ammosaurus
Anchisaurus
Anomoepus
Chindesaurus
Coelophysis
Dilophosaurus
Eubrontes
Massospondylus
Navahopus
Revueltosaurus
Rioarribasaurus
Scutellosaurus
Segisaurus
Sonorasaurus
Syntarsus

Arkansas

Arkansaurus

California

Hadrosaur (a few isolated bones)
Nodosaurus

Colorado

Allosaurus
Amphicoelias
Apatosaurus
Brachiosaurus
Camarasaurus
Camptosaurus
Cathetosaurus
Ceratosaurus
Cionodon
Denversaurus
Diplodocus
Dryosaurus
Dystylosaurus
Edmontosaurus
Epanterias
Haplocanthosaurus
Hesperisaurus
Marshosaurus
Nanosaurus
Ornithomimus
Othnielia
Polyonax
Stegosaurus
Supersaurus
Torvosaurus
Triceratops
Tyrannosaurus
Ultrasauros

Connecticut

Ammosaurus
Anchisaurus
Anchisauripus
Anomoepus
Eubrontes
Gigandipus
Sauropus
Yaleosaurus

Delaware

No species discovered here.

District of Columbia

Pleurocoelus
El Salvador
Ichthyosaurus

Florida

No species discovered here.

Georgia

No species discovered here.

Idaho

Tenontosaurus

Illinois

No species discovered here.

Indiana

No species discovered here.

Kansas

Alzadasaurus
Claosaurus
Elasmosaurus
Hierosaurus
Ichthyornis
Platecarpus
Tylosaurus
Globidens
Nodosaurus
Prehistoric sharks
Pteranodon
Silvisaurus

Louisiana

No species discovered here.

Maine

No species discovered here.

Maryland

Astrodon
Ecphora gardinere
Pleurocoelus
Priconodon

Massachusetts

Anchisaurus
Podokesaurus

Minnesota

Hadrosaur

Mississippi

No species discovered here.

Missouri

Delocrinus missouriensis
Parrosaurus
hadrosaurs

Montana

Albertosaurus
Aliwalia
Anatotitan
Ankylosaurus
Apatosaurus
Avaceratops
Bambiraptor
Brachyceratops
Ceratops
Claosaurus
Deinodon
Deinonychus
Diclonius
Diplodocus
Dromaeosaurus
Dysganus
Edmontonia
Edmontosaurus
Einiosaurus
Eucentrosaurus
Hadrosaurus
Hypacrosaurus
Lambeosaurus
Maiasaura peeblesorum
Microvenator
Monoclonius
Montanoceratops
Nanotyrannus
Ornithomimus
Orodromeus
Pachycephalosaurus
Palaeoscincus
Panoplosaurus
Parksosaurus
Pleurocoelus
Pterodactyloids
Sauropelta
Stegoceras
Stygimoloch
Suuwassea
Tenontosaurus
Thescelosaurus
Torosaurus
Trachodon
Triceratops
Troodon
Tyrannosaurus
Ugrosaurus
Zapsailis
Zephyrosaurus

Nebraska

Mammoth

Nevada

Shonisaurus popularis

New Jersey

Coelurosaurus
Diplotomodon
Dryptosaurus
Hadrosaurus foulkii
Nodosaurus
Ornithotarsus

New Mexico

Alamosaurus
Coelophysis
Kritosaurus
Nothronychus
Parasaurolophus
Pentaceratops
Revueltosaurus
Rioarribasaurus
Seismosaurus
Torosaurus
Triceratops
Tyrannosaurus
Zuniceratops

New York

Eurypterus remipes (sea scorpion)
Coelophysis trackways

North Carolina

Hypsibema
Lophorhothon
Zatomus

Ohio

Isotelus maximus

Oklahoma

Acrocanthosaurus
Apatosaurus
Dimetrodon
Epanterias
Pleurocoelus
Sauroposeidon
Tenontosaurus

Oregon

Hadrosaur (unknown)

Pennsylvania

Phacops rana (Trilobite)
Atreipus (footprints)

South Dakota

Anatotitan
Camptosaurus
Denversaurus
Edmontosaurus
Hoplitosaurus
Iguanodon
Nanotyrannus
Pachycephalosaurus
Thescelosaurus
Thespesius
Torosaurus
Triceratops
Tyrannosaurus

Texas

Acrocanthosaurus
Alamosaurus
Brontopodus
Camptosaurus
Chasmosaurus
Coelophysis
Deinonychus
Dimetrodon
Edmontosaurus
Hypsilophodon
Iguanodon
Kritosaurus
Megatherium
mosasaur
Ornithomimus
Panoplosaurus
Pawpawsaurus
plesiosaur
Pleurocoelus
Protohadros
Quetzalcoatlus
Shuvosaurus
Stegoceras
Technosaurus
Tenontosaurus
Texascetes
Torosaurus
Tyrannosaurus

Utah

Alamosaurus
Allosaurus
Amblydactylus
Apatosaurus
Barosaurus
Camarasaurus
Camptosaurus
Cedarosaurus
Coelophysis
Diplodocus
Dryosaurus
Dystrophaeus
Iguanodon
Iliosuchus
Marshosaurus
Nanosaurus
Nedcolbertia
Ornitholestes
Ornithomimus
Othnielia
Parasaurolophus
Planicoxa
Rioarribasaurus
Stegosaurus
Stokesosaurus
Tenontosaurus
Torosaurus
Utahraptor
Venenosaurus

Washington

Mammuthus

Wisconsin

Calymene celebras(Trilobite)

Wyoming

Allosaurus
Ankylosaurus
Camarasaurus
Camptosaurus
Claosaurus
Coelurus
Deinonychus
Diceratops
Diplodocus
Drinker
Dryosaurus
Dyslocosaurus
Edmontosaurus
Elasmosaurus
Gargoyleosaurus
Hesperisaurus
Laosaurus
Leptoceratops
Morosaurus
Nodosaurus
Ornitholestes
Ornithomimus
Othnielia
Pachycephalosaurus
Ricardoestesia
Sauropelta
Stegoceras
Stegopelta
Stegosaurus
Tenontosaurus
Thescelosaurus
Torosaurus
Triceratops horridus)
Troodon
Tyrannosaurus