This list of the prehistoric life of Missouri contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Missouri.

Precambrian

The Paleobiology Database records no known occurrences of Precambrian fossils in Alabama.

Paleozoic

Main article: List of the Paleozoic life of Missouri

Selected Paleozoic taxa of Missouri

†Achatella
†Achistrum
†Acutimitoceras – tentative report
Fossilized fronds of the Carboniferous-Early Cretaceous seed fern Alethopteris
†Alethopteris
- †Alethopteris davreuxi
- †Alethopteris decurrens
- †Alethopteris grandini
- †Alethopteris serlii
- †Alethopteris valida
†Amphiscapha
† Ananias
†Annularia
- †Annularia sphenophylloides
- †Annularia stellata
†Anomphalus
†Anthracoceras
Restoration of the Late Ordovician nautiloid cephalopod Aphetoceras being preyed upon by a Cameroceras
†Aphetoceras
†Aphlebia
†Archeognathus – type locality for genus
†Artisia
†Asterotheca
†Athyris
- †Athyris fultonensis
- †Athyris lamellosa
†Aulochiton – type locality for genus
†Aviculopecten
- †Aviculopecten gradicosta
†Avonia
†Bellerophon
- †Bellerophon graphicus
- †Bellerophon jeffersonensis – type locality for species
†Bembexia
†Beyrichoceras
†Bisatoceras
†Bolbocephalus
†Bumastus
- †Bumastus trentonensis
Fossilized stems from the Carboniferous-Permian horsetail relative Calamites
†Calamites
- †Calamites carinatus
- †Calamites cistii
- †Calamites cruciatus
- †Calamites suckowii
†Calyptaulax
†Camarotoechia
- †Camarotoechia elegantula
- †Camarotoechia horsfordi
- †Camarotoechia tuta
†Campbelloceras
†Cardiocarpus
†Cavusgnathus
Fossil of the Middle-Late Ordovician trilobite Ceraurus
†Ceraurus
†Chelodes
†Chonetes
- †Chonetes geniculatus
- †Chonetes mesoloba
- †Chonetes ornatus
†Clarkoceras
†Cleiothyridina
- †Cleiothyridina incrassata
- †Cleiothyridina orbicularis
†Cliftonia
†Coenocystis
Fossilized shell of the Late Devonian-Permian brachiopod Composita
†Composita
- †Composita elongata
- †Composita ovata
- †Composita subtilita
- †Composita tetralobata
†Conocardium
†Coolinia
†Cordaicarpus
†Cordaites
- †Cordaites crassinervis
- †Cordaites principalis
†Cornuella – type locality for genus
†Cornulites
†Crania
†Crepipora
- †Crepipora globulifera – type locality for species
†Curtognathus
†Cyclonema
†Cyclopteris
†Cyphaspis
†Cyrtoceras
†Cyrtolites
†Dalmanites
†Deckera
† Della
†Dicoelosia
Illustration of the jaws of Dinichthys
†Dinichthys
†Domatoceras
†Dorycordaites
†Earlandia
†Echinosphaerites
†Edmondia
†Ellesmeroceras
Eocaudina
†Eospirifer
†Euomphalus
Life restoration of the Permian Chimaera relative Fadenia
†Fadenia
†Favosites
†Flexicalymene
- †Flexicalymene senaria
†Gervillia
†Glossina
†Gnathodus
- †Gnathodus typicus
†Gondolella
†Halysites
†Helcionopsis
†Hemithecella – type locality for genus
†Hindia
†Holia – type locality for genus
†Holopea
†Hyolithes
†Hypseloconus
†Idiognathodus
†Irvingella
Fossil of the Middle-Late Ordovician giant trilobite Isotelus.
†Isotelus
- †Isotelus gigas
- †Isotelus maximus
†Jeffersonia
†Kendallina
†Kirengella
†Kirkella – type locality for genus
†Lepidophyllum
†Lingula
†Liroceras
†Matthevia
†Maximites
†Meristella
†Meristina
†Metacoceras
†Murchisonia – tentative report
Fossilized shell of the Early Devonian – Triassic sea snail Naticopsis
†Naticopsis
- †Naticopsis judithae – type locality for species
- †Naticopsis marthaae – type locality for species
- †Naticopsis scintilla – type locality for species
- †Naticopsis wortheniana – type locality for species
†Neospirifer
- †Neospirifer cameratus
- †Neospirifer goreii
- †Neospirifer latus
- †Neospirifer triplicatus
†Neuropteris
- †Neuropteris caudata
- †Neuropteris flexuosa
- †Neuropteris heterophylla
- †Neuropteris ovata
- †Neuropteris rarinervis
- †Neuropteris scheuchzeri
- †Neuropteris tenuifolia
Nucula
†Oncagnostus
- †Oncagnostus tumidosus
Restoration of the Carboniferous-Permian cartilaginous fish Orodus
†Orodus
†Orthoceras
†Orygmaspis
†Oulodus
†Ozarkodina
†Palaeoniscus
†Paradycheia – type locality for genus
†Pecopteris
- †Pecopteris unita
†Phillipsia – tentative report
†Phragmolites
†Pinnularia
†Platyceras
†Pleurocystites
†Plicochonetes
†Polygnathus
- †Polygnathus communis
†Prioniodus
†Proetus
†Pseudopolygnathus
†Pteridosperm
†Pterotheca
Life restoration of the Late Devonian placoderm fish Ptyctodus
†Ptyctodus
†Quadratia
†Receptaculites
†Remopleurides
†Robustum – type locality for genus
- †Robustum nodum – type locality for species
†Rota
†Shelbyoceras – type locality for genus
†Sigillaria
†Skenidioides
Solemya
†Spathognathodus
†Sphaerocoryphe
†Sphenophyllum
- †Sphenophyllum emarginatum
- †Sphenophyllum longifolium
- †Sphenophyllum majus
†Sphenopteris
Fossilized shell of the Late Ordovician-Late Triassic brachiopod Spirifer
†Spirifer
- †Spirifer marionensis
- †Spirifer opimus
- †Spirifer rockymontanus
Spirorbis
†Spyroceras
†Strepsodiscus
†Streptognathodus
- †Streptognathodus clarki – type locality for species
†Strophomena
- †Strophomena incurvata
†Subulites
†Tarphyceras
Fossil of the Cambrian trilobite Tricrepicephalus
†Tricrepicephalus
†Tryblidium
†Vellamo
†Whiteavesia
†Wilkingia
†Worthenia

Mesozoic

†Acteon
Fossilized shell of the Early Cretaceous-Oligocene turtle Adocus
†Adocus
†Aenona
- †Aenona eufaulensis
†Albertosaurus
†Ambigostrea
- †Ambigostrea tecticosta
Amuletum
†Anatimya
- †Anatimya anteradiata
†Anchura
†Anomia
- †Anomia ornata
†Aphrodina
- †Aphrodina tippana
Arrhoges
Fossilized shell of the Late Cretaceous ammonoid cephalopod Baculites
†Baculites
- †Baculites tippahensis
†Bellifusus
†Belliscala
†Bullopsis
- †Bullopsis cretacea
Caestocorbula
- †Caestocorbula crassaplica
- †Caestocorbula crassiplica
- †Caestocorbula percompressa
†Camptonectes
- †Camptonectes bubonis
- †Camptonectes hilgardi
†Caveola
Cerithiella
- †Cerithiella semirugatum
†Clavipholas
- †Clavipholas pectorosa
Cliona
†Clisocolus
Shell of a Corbula basket clam
Corbula
Crassatella
- †Crassatella vadosa
†Crenella
- †Crenella elegantula
- †Crenella serica
Cucullaea
- †Cucullaea capax
†Cymbophora
- †Cymbophora appressa
- †Cymbophora berryi
†Cymella
- †Cymella bella
†Cyprimeria
- †Cyprimeria alta
Fossilized shell of the Late Cretaceous ammonoid cephalopod Discoscaphites
†Discoscaphites
- †Discoscaphites iris
†Drilluta
†Eoacteon
- †Eoacteon linteus
†Eoharpa
- †Eoharpa sinuosa
†Eubaculites
- †Eubaculites carinatus
†Eufistulana
- †Eufistulana ripleyana
†Eufistulina
†Euspira
- †Euspira rectilabrum
Interior of a fossilized shell of the Jurassic-Cretaceous foam oyster Exogyra
†Exogyra
- †Exogyra costata
†Fulgerca
Fusinus
- †Fusinus macnairyensis – or unidentified related form
Glycymeris
- †Glycymeris compressa
- †Glycymeris rotundata
†Goniochasma – tentative report
†Granocardium
- †Granocardium lowei
- †Granocardium tippananum
- †Granocardium tippanum
†Gryphaeostrea
- †Gryphaeostrea vomer
Gyrodes
- †Gyrodes spillmani
- †Gyrodes supraplicatus
†Hamulus
- †Hamulus onyx
- †Hamulus squamosus
†Helicaulax
- †Helicaulax formosa
Juliacorbula
- †Juliacorbula monmouthensis
†Legumen
- †Legumen ellipticum
†Leptosolen
- †Leptosolen biplicata
Lima
- †Lima pelagica
Limatula
- †Limatula acutilineata
†Linearis
- †Linearis metastriata
†Liopeplum
- †Liopeplum rugosum
†Liopistha
- †Liopistha protexta
†Liothyris
†Lowenstamia
†Lycettia
- †Lycettia tippana
- †Lycettia tippanus
Malletia
- †Malletia longfrons
- †Malletia longifrons
†Micrabacia
†Morea
- †Morea transenna
Life restoration of two of the Late Cretaceous Mosasaurus
†Mosasaurus
- †Mosasaurus hoffmanni
†Naomichelys
†Napulus
- †Napulus octoliratus
†Nemocardium
- †Nemocardium fragile
†Nemodon
- †Nemodon eufalensis
- †Nemodon eufaulensis
Nucula
- †Nucula camia
- †Nucula percrassa
Nuculana
- †Nuculana whitfieldi
†Opertochasma
†Paladmete
- †Paladmete cancellaria
Panopea
- †Panopea monmouthensis
†Parmicorbula
- †Parmicorbula percompressa
†Parrosaurus – type locality for genus
- †Parrosaurus missouriensis
Fossilized shell of the Early Triassic-Pliocene marine bivalve Pholadomya
Pholadomya
- †Pholadomya occidentalis
†Pinna
- †Pinna laqueata
†Pleuriocardia
†Praeleda
- †Praeleda compar
†Protocardia
- †Protocardia spillmani
Pseudomalaxis
- †Pseudomalaxis pateriformis
†Pterotrigonia
- †Pterotrigonia angulicostata
- †Pterotrigonia eufalensis
- †Pterotrigonia eufaulensis
†Pyropsis
†Scambula
- †Scambula perplana
Fossilized shell of the Late Cretaceous ammonoid cephalopod Scaphites
†Scaphites
Serpula
Striarca
- †Striarca cuneata
- †Striarca saffordi
†Syncyclonema
- †Syncyclonema simplicius
Tellina
†Tellinimera
- †Tellinimera buboana
†Tenea
- †Tenea parilis
†Tenuipteria
- †Tenuipteria argentea
- †Tenuipteria argenteus
Trachycardium
†Trobus
- †Trobus buboanus
Fossilized shells of the Late Jurassic-modern tower snail Turritella
Turritella
- †Turritella bilira
- †Turritella chalybeatensis
- †Turritella tippana
- †Turritella vertebroides
†Unicardium
†Urceolabrum
- †Urceolabrum tuberculatum
†Veniella
- †Veniella conradi
†Volutomorpha
†Weeksia