This list of the Mesozoic life of Mississippi contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Mississippi and are between 252.17 and 66 million years of age.
A[edit]
- Acesta
- †Aciculiscala
- Acirsa
- †Acirsa clathrata
- †Acirsa culmosa
- †Acirsa flexicostata
- †Acirsa gravida
- †Acirsa implexa
- †Acirsa microstriata – or unidentified comparable form
- †Acirsa wadei
- Acmaea
- †Acrocoelum – tentative report
- †Acteon
- †Acutostrea
- †Aenona
Fossilized shell of the Late Cretaceous oyster Agerostrea - †Aliofusus
Shells in multiple views of Alvania sea snails - †Amaurellina
- †Ambigostrea
Fossilized shell of the Jurassic-Miocene sea snail Ampullina - Amuletum
- †Anatimya
- Anatina
- †Anatina jerseyensis – or unidentified comparable form
- †Anchura
- †Anchura abrupta
- †Anchura chapelvillensis
- †Anchura coffea
- †Anchura corniculata
- †Anchura noakensis – tentative report
- †Anchura substriata
- †Ancilla
- †Anisomyon
- †Anomalofusus
- †Anomia
- †Anomoeodus
- †Anomoeodus latidens – type locality for species
- †Anomoeodus mississippiensis – type locality for species
- †Anomoeodus phaseolus
- Anteglosia
- †Anteglossia
- †Antillocaprina
- †Aphrodina
- †Aphrodina eufaulensis – tentative report
- †Aphrodina regia
- †Aphrodina tippana
- †Arca
A living Architectonica staircase shell sea snail - †Arcoscalpellum
- †Arctostrea
- Arrhoges
- †Ascaulocardium
- Astarte
- Ataphrus
Fossilized skeleton of the gar Atractosteus - †Atreta
B[edit]
Fossilized shell of the Late Cretaceous ammonoid cephalopod Baculites - †Baculites arculus
- †Baculites capensis
- †Baculites grandis – or unidentified comparable form
- †Baculites tippahensis
Shell of a Barbatia, or bearded ark clam - †Bathytormus
Fossilized guard of the Late Cretaceous belemnoid cephalopod Belemnitella - †Bellifusus
- †Belliscala
- †Beretra
- Bernaya
Illustration of the shell in multiple views of a Bittium cerith sea snail - †Bizarrus
- †Boehmoceras
- Botula
- Brachidontes
- †Brachylepas
- †Breviarca
- †Buccinopsis
- Bulla – tentative report
- †Bullopsis
C[edit]
- Cadulus
- Caestocorbula
- †Calliomphalus
- Calyptraea
- †Camptonectes
- Cantharus
Shells of modern Capulus cap sea snails 
A living Carcharias sand tiger shark - Cardium
A living Caryophyllia solitary coral - †Caryophyllia konincki – type locality for species
- †Catopygus
- †Catopygus mississippiensis – type locality for species
- †Caveola
Ceratia 
Illustration of a shell of a Cerithiella cerith sea snail - †Cerithioderma
Two views of a Cerithium cerith sea snail - Chlamys
Illustration of a fossil of the Cambrian-modern burrow ichnogenus Chondrites 
Shell and spines of a Cidaris sea urchin - †Clarkiella
- Clavagella
- †Clavipholas
- Cliona
- †Clisocolus
- †Coahuilites – tentative report
- †Colombellina
Shell of a Corbula basket clam - †Costellacesta
- Crassatella
- Crenella
- †Creonella
- †Cretiscalpellum
Fossil of the Early Cretaceous-Eocene shark Cretolamna - †Cristipluma – type locality for genus
- †Cristipluma mississippiensis – type locality for species
- Crucibulum
Shell of a Cucullaea, or false ark shell - †Cucullaea capax
- †Cucullaea carolinensis
- †Cucullaea littlei
- †Cucullaea vulgans
- †Cucullaea wadei – tentative report
- †Cuna
- Cuspidaria
- †Cuspidaria grandis
- †Cuspidaria jerseyensis – or unidentified comparable form
- †Cyclorisma
- Cylichna
- †Cylindrotruncatum
- †Cymbophora
- †Cymella
- †Cymella bella
- †Cymella ironensis – tentative report
- †Cyprimeria
D[edit]
- †Dakoticancer
- †Damesia
- Dasmosmilia
- †Dentalium
- †Deussenia
- †Deussenia bellalirata
- †Deussenia ripleyana
- †Deussenia travisana – or unidentified comparable form
- †Dhondtichlamys
- †Dictyaraea
- Dimya
- †Diplomoceras
- †Dircella
Fossilized shell of the Late Cretaceous ammonoid cephalopod Discoscaphites 
Shell of a Dolicholatirus sea snail - †Drepanocheilus
- †Drepanochilus
- †Drilluta
E[edit]
- †Ecclesiogyra
- †Echinimathilda
Illustration of a fossilized shell of the Eocene-Pliocene murex sea snail Ecphora - †Ellipsoscapha
Restoration of the Early Cretaceous-Eocene bony fish Enchodus, or the "saber-toothed herring" - †Endoptygma
- †Entomope
- †Eoacteon
- †Eoharpa
- Eonavicula
- †Eothoracosaurus – type locality for genus
- †Eothoracosaurus mississippiensis – type locality for species
- †Epitonium
Fossil of the crustacean Eryma - †Etea
- †Eubaculites
- †Eufistulana
- †Eufistulina
- †Eulima
- †Euspira
Illustration in multiple views of a fossilized shell of the Late Jurassic-Miocene nautiloid cephalopod Eutrephoceras - †Exechocirsus
Fossilized shell of the Jurassic-Cretaceous foam oyster Exogyra
F[edit]
- †Flemingostrea
- †Fulgerca
- †Fulgerca attenuata – tentative report
- †Fulgerca compressilirata
- †Fusimilis
shell of Fusinus inglorius
G[edit]
- †Gegania
Fossilized shell of a Gemmula sea snail, or gem turrid 
Fossilized shell of the Carboniferous-Eocene bivalve Gervillia - †Gervilliopsis
A living Ginglymostoma nurse shark - Glossus
Fossilized shell of a Glycymeris, or bittersweet clam - †Glyptoxoceras
- †Goniocylichna
- †Graciliala
- †Granocardium
- †Granosolarium
- †Graphidula
Interior and exterior of a fossilized shell of the Late Triassic-Eocene marine bivalve Gryphaea - †Gryphaeostrea
- †Gymnentome
Gyrineum - Gyrodes
- †Gyropleura
H[edit]
- †Hadrosaurus – tentative report
- †Hamites
- †Hamulus
- †Harduinia
- †Heliacus
- †Helicaulax
- †Helicoceras
- Hemiaster
- Hemiscyllium
- †Hercorhynchus
- †Hercorhyncus
Fossil of the Jurassic-Paleogene lobster Hoploparia - Hyala
Restoration of two of the Permian-Late Cretaceous cartilaginous fish Hybodus - †Hydrotribulus
- †Hyphantoceras – tentative report
- †Hypolophus
I[edit]
Fossilized shell of the Early Jurassic-Late Cretaceous marine bivalve Inoceramus with a human indicating its size - †Inoceramus quadrans – or unidentified comparable form
- †Inoperna
- †Ischyrhiza
J[edit]
K[edit]
L[edit]
- †Lacrimiforma
- Laternula
- †Latiala
- †Latiata – tentative report
- †Laxispira
- †Lefortia
- †Lefortia trojana – type locality for species
- †Legumen
- †Lemniscolittorina
Illustration of a living Lepisosteus, or gar - †Leptosolen
- Lima
- Limatula
- Limopsis
- †Linearis
- †Linthia
A modern Linuparus spiny lobster - †Liopeplum
- †Liopistha
- †Liothyris
- †Lispodesthes
Shell of a Lithophaga, or date mussel - †Lomirosa
- †Longitubus
- †Longoconcha
Fossilized shell of the Triassic-modern marine bivalve Lopha - †Lowenstamia
- †Lowenstamia cucullata
- †Lowenstamia funiculus
- †Lowenstamia liratus
- †Lowenstamia subplanus – or unidentified comparable form
- †Lucina – tentative report
- †Lupira
- †Lycettia
- †Lyriochlamys
M[edit]
- Malletia
- †Margaritella
- †Mataxa
- †Mathilda
- †Menabites
- Meretrix – tentative report
- †Mesodendriurn
- †Micrabacia
- †Micrabacia marylandica – type locality for species
- †Micrabacia radiata – type locality for species
Fossil of the Late Cretaceous-Eocene sea urchin Micraster 
Fossilized shell of the Devonian-modern marine bivalve Modiolus, or horsemussel - †Monroea
- †Morea
Life restoration of two of the Late Cretaceous Mosasaurus - †Myobarbum
- Myrtea
- †Mytilus – tentative report
N[edit]
- †Napulus
- †Neamphitomaria
- †Neithea
- †Nemoarca
- †Nemocardium
- †Nemodon
- †Nemodon brevifrons
- †Nemodon eufalensis
- †Nemodon eufaulensis
- †Nemodon grandis – or unidentified comparable form
- †Nemodon neusensis
Shell in multiple views of a Nerita polita sea snail - Neritina
- †Neritina densata – tentative report
- †Nonactaeonina
Restoration of several species of the Late Cretaceous ammonoid cephalopod Nostoceras - †Nostoceras turrilites – tentative report
- †Notopocorystes
- Nozeba
Interior of a fossilized shell of the Early Ordovician-modern marine bivalve Nucula - Nuculana
- †Nudivagus
- †Nymphalucina
O[edit]
- †Odontobasis – tentative report
- †Oligoptycha
- Opaliopsis
- †Opertochasma
- †Ornopsis
Shell of an Ostrea, or oyster
P[edit]
Fossilized shell of the Late Cretaceous ammonoid cephalopod Pachydiscus 
Shell of a Pachymelania freshwater snail - †Paladmete
- †Palaeoxantho – type locality for genus
- †Palaeoxantho libertiensis – type locality for species
- †Paleofusimitra
- †Paleopsephaea
- Panopea
- †Parafusus
- †Paranomia
- †Parapaguristes
- †Parapaguristes tuberculatus – type locality for species
- †Parapaguristes whitteni – type locality for species
- †Parmicorbula
- †Pauciacirsa
- Pecten
- †Periplomya
- †Perissoptera
- †Perrisonota
- Phacoides
- †Phacoides mattiformis – tentative report
- †Phelopteria
Fossilized shell of the Early Triassic-Pliocene marine bivalve Pholadomya - †Piestochilus
- Pinna
Fossilized shell of the Late Cretaceous ammonoid cephalopod Placenticeras - †Plagiostoma
Restoration of the Late Cretaceous mosasaur Platecarpus - †Platecarpus tympaniticus – type locality for species
- †Plectomya
- †Plesiotriton
- †Pleuriocardia
- Plicatula
Fossilized shell of the Paleocene-modern moon snail Polinices - †Postligata
- †Praeleda
- †Prehepatus
- †Promathildia
- †Protobusycon
- †Protocallianassa
- †Protocardia
- †Pseudoclaviscala
Fossilized teeth of the Cretaceous shark Pseudocorax - †Pseudolimea
- Pseudomalaxis
- †Pseudoptera
- †Pseudoschloenbachia
- †Pteria
- †Pterocerella
Fossilized shell of the Jurassic-Cretaceous marine bivalve Pterotrigonia - †Ptychodus
- †Ptychosyca
- †Ptychotrygon
- †Pugnellus
- Pulvinites
- Punctiscala
Assemblage of fossilized shells of the Cretaceous-Pleistocene oyster Pycnodonte - †Pyrifusus
- †Pyropsis
R[edit]
- †Rachiosoma
- †Radiopecten
- †Raninella
- †Reginaites
- †Reginaites exilis – type locality for species
- †Reginaites leei
- †Remera
- †Remnita
- †Rhombopsis
A living Ringicula sea snail
S[edit]
- †Sargana
- †Sassia
- †Scambula
Restoration of several of the Early Cretaceous-Miocene shark Scapanorhynchus 
Fossilized shell of the Late Cretaceous ammonoid cephalopod Scaphites - †Sclerorhynchus
- †Scobinidola
- Seila
- Serpula
- †Solariorbis
- †Solenoceras
- †Solyma
Opalized shell of the Late Cretaceous ammonoid cephalopod Sphenodiscus - †Spinaptychus
- Spondylus
Life restoration of the Late Cretaceous shark Squalicorax - †Stantonella
- †Stephanophyllia
- Stosicia
- †Streptacis – tentative report
- Striarca
- †Striaticostatum
- Sulcoretusa
- †Syncyclonema
T[edit]
- Teinostoma
Shell of a Tellina, or tellin - †Tellinimera
- †Tenea
- †Tenuipteria
- †Tetracarcinus
- †Texanites
- Thracia
- †Thylacus
- †Titanosarcolites
- †Tornatellaea
- †Tornus – tentative report
- †Trachybaculites
Fossilized shell of a Trachycardium cockle - Trichotropis
Fossilized shell of the Permian-Paleocene marine bivalve Trigonia 
Shell of a Trigonostoma nutmeg sea snail - †Trobus
- Trochocyathus
- †Trochocyathus speciosus – type locality for species
- †Tundora
- †Turbinopsis
- †Turbinopsis curta – or unidentified comparable form
- Turboella
- †Turrilites
- †Turrilites peruviana – or unidentified comparable form
Fossilized shells of the Late Jurassic-modern tower snail Turritella - †Tympanotonus
U[edit]
V[edit]
W[edit]
X[edit]
Life restoration of the Cretaceous bony fish Xiphactinus
Z[edit]
References[edit]
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.
