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List of the prehistoric life of Louisiana

Last updated October 23, 2025

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

Contents

Precambrian-Paleozoic
Mesozoic
Cenozoic
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
X
Y
Z
References

Precambrian-Paleozoic

The Paleobiology Database records no known occurrences of Precambrian or Paleozoic fossils in Louisiana.

Mesozoic

Fossilized tooth of the Late Cretaceous shark Squalicorax pristodontus Squalicorax pristodontus Agassiz, 1843 1.jpg — Fossilized tooth of the Late Cretaceous shark Squalicorax pristodontus

† Dufrenoyia
- † Dufrenoyia dufrenoyi – or unidentified related form
- † Dufrenoyia texana
† Hypacanthoplites
† Parahoplites – tentative report
† Pseudosaynella
† Rhytidhoplites
- † Rhytidhoplites robertsi
Squalicorax
- † Squalicorax pristodontus

Cenozoic

This list of the Cenozoic life of Louisiana contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Louisiana and are between 66 million and 10,000 years of age.

A

† Abderospira
- † Abderospira leblanci
- † Abderospira oviformis
- † Abderospira stewarti
† Abdounia
- † Abdounia enniskilleni
Abra
- † Abra nitens
Shell of an Acanthocardia cockle
Acanthocardia
- † Acanthocardia tuomeyi
† Aciculiscala
- † Aciculiscala jacobi
Acirsa
- † Acirsa whitneyi
Aclis – report made of unidentified related form or using admittedly obsolete nomenclature
- † Aclis modesta
Acteon
- † Acteon annectens
- † Acteon idoneus
- † Acteon pomilius
Actinocythereis
- † Actinocythereis rosefieldensis
† Adeorbis
- † Adeorbis sylvaerupis – or unidentified comparable form
Adrana
- † Adrana aldrichiana
Life restoration of the Miocene camel Aepycamelus , or the long-necked camel. Heinrich Harder (1920).
† Aepycamelus
† Aesculiidites
- † Aesculiidites circumstriatus
Aetobatus
Agaronia
- † Agaronia media
- † Agaronia mississippiensis
† Alatocythereis – tentative report
Albula
† Allomorone
† Alnipollenites
- † Alnipollenites trina
- † Alnipollenites verus
A living Alopias , or thresher shark
Alopias
- † Alopias latidens
† Alveinus
- † Alveinus minutus
- † Alveinus sinutus
Ammospermophilus – tentative report
† Ampullina
- † Ampullina alabamiensis
Anadara
- † Anadara vaughani
Ancilla
- † Ancilla staminea
Angulogerina
- † Angulogerina byramensis
† Anisonchus
- † Anisonchus fortunatus – type locality for species
Anomalinoides
- † Anomalinoides danvillensis
Anomia
- † Anomia hammetti
- † Anomia lisbonensis
- † Anomia rufa
Antalis
- † Antalis danvillense
- † Antalis minutistriatum
- † Antalis mississippiense
Antrozous
† Aphelops
Aplodinotus
- † Aplodinotus distortus
- † Aplodinotus gemma
Architectonica
- † Architectonica acuta
- † Architectonica alveatum
- † Architectonica amoena
- † Architectonica bellense
- † Architectonica bellistriata
- † Architectonica meekana
- † Architectonica ornata
Arcopagia
- † Arcopagia eburneopsis
- † Arcopagia raveneli
Arcoscalpellum
- † Arcoscalpellum jacksonensis
† Arecipites
A living Ariosoma conger eel
Ariosoma
Arius
Articulina
- † Articulina byramensis
Asterigerina
- † Asterigerina subacuta
Asthenotoma
- † Asthenotoma danvitexa
- † Asthenotoma eximia
- † Asthenotoma strigosa
Astrangia
- † Astrangia expansa
- † Astrangia ludoviciana – type locality for species
Multiple views of a fossilized shell of the volute sea snail Athleta
Athleta
- † Athleta clayi
- † Athleta haleanus
- † Athleta petrosa
- † Athleta symmetricus
- † Athleta wheelockensis
Atrina
- † Atrina gardnerae
- † Atrina gravida
- † Atrina jacksoniana
Fossilized shell of the Paleocene-Miocene nautiloid cephalopod Aturia
† Aturia
- † Aturia garretti
- † Aturia laticlavia
Atys
- † Atys robustoides – or unidentified comparable form
- † Atys salina

B

Balanophyllia
- † Balanophyllia caulifera
- † Balanophyllia irrorata
Balcis
Barbatia
- † Barbatia cuculloides
- † Barbatia ludoviciana
Life restoration of the Eocene whale Basilosaurus
† Basilosaurus – type locality for genus
- † Basilosaurus cetoides – type locality for species
† Basopollis
- † Basopollis obscurocostatus
Bassariscus
Bathytoma
- † Bathytoma nonplicata
Bathytormus
- † Bathytormus clarkensis
- † Bathytormus flexurus
† Batrachosauroides
Illustration of a living Belone needlefish
Belone
† Belosaepia
- † Belosaepia uncinata
- † Belosaepia veatchi
† Bifarina
- † Bifarina vicksburgensis
Bittium
- † Bittium koeneni
† Bitubulogerina
- † Bitubulogerina vicksburgensis
Bolivina
- † Bolivina alazanensis
- † Bolivina beyrichi
- † Bolivina byramensis
- † Bolivina choctawensis
- † Bolivina cookei
- † Bolivina costifera
- † Bolivina gracilis
- † Bolivina jacksonensis
Bolivinella
- † Bolivinella subpectinata
- † Bolivinella vicksburgensis
† Bombacacidites
† Bonellitia
- † Bonellitia jacksonica
† Bootherium
- Fossilized skeleton of the Pleistocene-Holocene bovid Bootherium bombifrons , or Harlan's musk ox.
  † Bootherium bombifrons
Brachidontes
- † Brachidontes alabamensis
- † Brachidontes stubbsi
- † Brachidontes texanus
† Brachyerix
- † Brachyerix incertis – or unidentified comparable form
† Brachysporites
Bregmaceros
- † Bregmaceros troelli
† Bregmoceras
† Bristocorbula
- † Bristocorbula fossata
† Brychaetus
Buccella
- † Buccella vicksburgensis
Bulimina
- † Bulimina ovata
Buliminella
- † Buliminella nuda
Illustration of the shell of a Bullia nassa mud sea snail
Bullia
- † Bullia ellipticum
† Bullinella
Buntonia
- † Buntonia huneri

C

Cadulus
- † Cadulus abruptus
- † Cadulus jacksonensis
- † Cadulus margarita
- † Cadulus ouachitensis
- † Cadulus subcoarcuatus
Caestocorbula
- † Caestocorbula fossata
- † Caestocorbula wailesiana
- † Caestocorbula wailsiana
† Calamuspollenites
† Calapa
Callista
- † Callista annexa
- † Callista pearlensis
- † Callista perovata
† Calorhadia
- † Calorhadia aldrichiana
- † Calorhadia bella
- † Calorhadia equalis
- † Calorhadia opulenta
- † Calorhadia reginajacksonis
- † Calorhadia semen
Three modern shells of Calyptraea , or Chinese hat snails
Calyptraea
- † Calyptraea alta
† Calyptraphorus
- † Calyptraphorus aldrichi
- † Calyptraphorus stamineus
- † Calyptraphorus trinodiferus
- † Calyptraphorus velatus
Capulus
- † Capulus americanus
Carcharhinus
- † Carcharhinus gibbesi
† Carcharochles
- † Carcharochles auriculatus
Cardium
A living Caretta caretta , or loggerhead sea turtle
Caretta
† Caricella
- † Caricella demissa
- † Caricella howei
- † Caricella ludoviciana
- † Caricella polita
- † Caricella stenzeli
- † Caricella subangulata
- † Caricella turneri
† Caryapollenites
- † Caryapollenites prodromus-imparalis type
- † Caryapollenites simplex
Caryocorbula
- † Caryocorbula densata
- † Caryocorbula deusseni
- † Caryocorbula willistoni
A living Caryophyllia solitary coral
Caryophyllia
- † Caryophyllia dalli – type locality for species
† Casurinidites
- † Casurinidites pulcher
† Cedripites
Celleporaria
- † Celleporaria granulosa
† Centalium
† Centroberys
Centroberyx
Centropristis
† Cercidiphyllites
Illustration of a shell of a Cerithiella cerith sea snail
Cerithiella
- † Cerithiella jacksonensis
- † Cerithiella ouachitensis
Chama
† Chenopodipollis
† Chiloguembelina
- † Chiloguembelina cubensis
† Chilogumbelina
- † Chilogumbelina cubensis
Chiton
Chlamys
- † Chlamys danvillensis
- † Chlamys nupera
- † Chlamys wahtubbeana
Chrysalogonium
- † Chrysalogonium vicksburgense
Test of a Cibicides foraminiferan
Cibicides
- † Cibicides americanus
- † Cibicides choctawensis
- † Cibicides lobatulus
- † Cibicides mississippiensis
- † Cibicides pseudoungerianus
- † Cibicides sassei
† Cicatricosisporites
- † Cicatricosisporites dorogensis
Cirsotrema
- † Cirsotrema danvillense
- † Cirsotrema nassulum
- † Cirsotrema ranellinum
Citharichthys
Multiple views of a fossilized shell of the Paleocene-Pliocene spindle sea snail Clavilithes
Clavilithes
- † Clavilithes humerosus
- † Clavilithes kennedyanus
- † Clavilithes penrosei
- † Clavilithes regexus
- † Clavilithes texanus
Closia
- † Closia larvata
- † Closia semen
- † Closia semenoides
Cochlespira
- † Cochlespira bella
- † Cochlespira columbaria
- † Cochlespira terebralis
† Cochlespirella
- † Cochlespirella nana
† Cocoaia
Columbellopsis
- † Columbellopsis mississippiensis
Cominella – or unidentified comparable form
- † Cominella pachecoi
A living Conger
Conger
- † Conger dissimilis
- † Conger fornicatus
† Congeris
- † Congeris brevior
Conomitra
- † Conomitra fusoides
- † Conomitra hammakeri
- † Conomitra jacksonensis
- † Conomitra texana
Conopeum
† Conorbis
- † Conorbis alatoideus
Fossilized shell of a Conus cone snail
Conus
- † Conus alleni – type locality for species
- † Conus sauridens
† Converrucosisporites
† Copemys
† Coptostoma
- † Coptostoma ulmulum
Coralliophila
- † Coralliophila aldrichi
Corbula
- † Corbula cappa
Cordieria
- † Cordieria ludoviciana
Fossilized skeleton preserved in situ (upper left, 2) of the Miocene-Pliocene horse Cormohipparion
† Cormohipparion
- † Cormohipparion goorisi – or unidentified comparable form
† Cornulina
- † Cornulina dalli
- † Cornulina minax
- † Cornulina triseralis
Cornuspira
- † Cornuspira byramensis
† Coronia
- † Coronia childreni
- † Coronia conjuncta
- † Coronia coraliger
- † Coronia genitiva
- † Coronia lerchi
- † Coronia ludonorma
- † Coronia margaritosa
- † Coronia montgomeryensis
- † Coronia nodulina
- † Coronia nucleata
- † Coronia obsolescens
- † Coronia parvidens
- † Coronia plentopsis
- † Coronia wateletella
- † Coronia weisbordi
Crassatella
- † Crassatella negreetensis
- † Crassatella texalta
- † Crassatella trapaquara
Crassinella
- † Crassinella pygmaea
Crepidula
- † Crepidula lirata
Fossil of the Early Cretaceous-Eocene shark Cretolamna
† Cretolamna
- † Cretolamna lerichei
Crocodylus
† Cubitostrea
- † Cubitostrea divaricata
- † Cubitostrea lisbonensis
- † Cubitostrea sellaeformis
† Cupanieidites
† Cupuliferoipollenites
Cuspidaria
- † Cuspidaria multiornata
† Cyathedites
† Cybium
Electron micrograph of the shell of a Cyclammina foraminiferan
Cyclammina
- † Cyclammina caneriverensis
Cylichnella
- † Cylichnella bitruncata
† Cylindracanthus
- † Cylindracanthus rectus
Cymatosyrinx
- † Cymatosyrinx dorseyi
- † Cymatosyrinx palmerae
† Cynarctus
Cypraedia
- † Cypraedia fenestralis
† Cypraeorbis
- † Cypraeorbis ventripotens
Cytherella
Cytherelloidea
- † Cytherelloidea byramensis
- † Cytherelloidea chawneri
Cytheromorpha
- † Cytheromorpha rosefieldensis

D

A living Dasyatis stingray
Dasyatis
† Dasyostoma
- † Dasyostoma rugostoma
† Deltoidospora
Dendrophyllia
- † Dendrophyllia lisbonensis
- † Dendrophyllia striata – type locality for species
Dentalina
- † Dentalina emaciata
- † Dentalina filiformis
- † Dentalina hantkeni
- † Dentalina monroei
- † Dentalina praecatesbyi
- † Dentalina pseudoinvolons
Dentalium
- † Dentalium jacksonense
- † Dentalium microstria
- † Dentalium minutistriatum
- † Dentalium mississippiense
† Dicellaesporites
- † Dicellaesporites popovii
† Dicorbitura
- † Dicorbitura dignata
† Digmocyhere
A living Diodon , or porcupinefish
Diodon
Diodora
- † Diodora alabama
- † Diodora tenebrosa
Diplodonta
- † Diplodonta anterproductus
- † Diplodonta bulla
- † Diplodonta inflata
† Diporicellaesporites
- † Diporicellaesporites psilatus
- † Diporicellaesporites reticulatus
† Diporisporites
- † Diporisporites type 2 informal
† Discocyclina
- † Discocyclina advena
Discorbis
- † Discorbis subaraucana
† Discotrochus
- † Discotrochus orbignianus
Shell of a Distorsio sea snail
Distorsio
† Divisisporites
- † Divisisporites enormis
† Dolicholatirus
- † Dolicholatirus leaensis
† Dontogryphaea
- † Dontogryphaea thirsae
Dorsanum
- † Dorsanum scalatum
† Dyadosporonites
- † Dyadosporonites schwabii
† Dyseohyus

E

† Eburneopecten
- † Eburneopecten corneoides
- † Eburneopecten scintillatus
Echinocythereis
- † Echinocythereis mcguirti
† Ectinochilus
- † Ectinochilus stenzeli
† Edaphocyon – tentative report
† Ekokenia
Test of Elphidium , an Eocene to modern foraminiferan
Elphidium
- † Elphidium latispatium
Endopachys
- † Endopachys lonsdalei
- † Endopachys maclurii
Entosolenia
- † Entosolenia orbignyana
† Eocithara
- † Eocithara jacksonensis
† Eoclathurella
- † Eoclathurella jacksonica
- † Eoclathurella obesula
† Eodrilla
- † Eodrilla lonsdalei
- † Eodrilla lonsdallii
† Eodrillia
- † Eodrillia texana
Eoeponidella
- † Eoeponidella meyerhoffi
† Eophysema
- † Eophysema ozarkana
† Eopleurotoma
- † Eopleurotoma carya
- † Eopleurotoma gemmaria
- † Eopleurotoma ouachitensis
- † Eopleurotoma plumbella
- † Eopleurotoma sabinaria
† Eosurcula
- † Eosurcula moorei
- † Eosurcula sanctimauritii
† Ephedripites
- † Ephedripites voluta
Epistominella
- † Epistominella danvillensis
Shell of an Epitonium wentletrap sea snail
Epitonium
- † Epitonium kingae
- † Epitonium multiliniferum
- † Epitonium unilineata
Eponides
- † Eponides byramensis
Equus
- † Equus complicatus
- † Equus fraternus
- † Equus intermedius – type locality for species
† Ericipites
† Eucheilodon
- † Eucheilodon crenocarinata
A living Eumeces skink
Eumeces
Eurytellina
- † Eurytellina linifera
† Euscalpellum
- † Euscalpellum eocenense
Euspira
- † Euspira jacksonensis
† Expressipollis
† Extratriporopollenites

F

Falsifusus
- † Falsifusus bastropensis
- † Falsifusus harrisi
- † Falsifusus ludlovicianus
† Favitricolporites
- † Favitricolporites baculoferous
† Ficopsis
- † Ficopsis penita
- † Ficopsis texana
A living Ficus , or fig tree
Ficus
- † Ficus filia
- † Ficus merita
Fissurella
- † Fissurella alabama
Flabellum
- † Flabellum cuneifome
- † Flabellum cuneiforme
- † Flabellum lerchi – type locality for species
- † Flabellum wailesii
† Frizzellithus
- † Frizzellithus gemma
Fursenkoina
- † Fursenkoina punctata
† Fusiformisporites
- † Fusiformisporites crabbii
Fusimitra
- † Fusimitra millingtoni
A living Fusinus sea snail
Fusinus
- † Fusinus insectoides
† Fusitoma
- † Fusitoma sipha
Fustiaria
- † Fustiaria danai

G

A living Galeocerdo requiem shark
Galeocerdo
- † Galeocerdo alabamensis
- † Galeocerdo clarkensis
- † Galeocerdo contortus
Galeodea
- † Galeodea koureos
- † Galeodea planotecta
Galeorhinus
- † Galeorhinus huberensis
Gari
- † Gari jacksonensis
Gegania
- † Gegania antiquata
Genota
- † Genota heilprini
Fossilized shell of the Eocene-Miocene foam oyster Gigantostrea
† Gigantostrea
- † Gigantostrea trigonalis
Ginglymostoma
- † Ginglymostoma serra
† Gleicheniidites
Globigerina
- † Globigerina ouachitaensis
Globobulimina
- † Globobulimina pyrula
Globorotalia
- † Globorotalia centralis
- † Globorotalia cerroazulensis
Globulina
- † Globulina gibba
Glycymeris
- † Glycymeris filosa
- † Glycymeris idonea
- † Glycymeris trigonella
Glyptoactis
- † Glyptoactis alticostata – or unidentified comparable form
- † Glyptoactis complexicosta
- † Glyptoactis trapaquara
Mounted fossilized skeleton of the Pleistocene armadillo relative Glyptotherium
† Glyptotherium
- † Glyptotherium floridanum – or unidentified comparable form
† Glyptotoma
- † Glyptotoma crassiplicata
- † Glyptotoma fisherana
Gnathophis
- † Gnathophis dissimilis
† Gomphotherium
Guttulina
- † Guttulina austriaca
- † Guttulina byramensis
Gyroidina
- † Gyroidina danvillensis
- † Gyroidina vicksburgensis
Gyroidinoides
- † Gyroidinoides danvillensis

H

† Haimesiastraea
- † Haimesiastraea conferta
† Hamulatisporites
- † Hamulatisporites amplus
Hanzawaia
- † Hanzawaia mauricensis
Shells in differing orientations of Hastula augur sea snails
Hastula
- † Hastula houstonia
Haustator
- † Haustator carinata
- † Haustator perdita
- † Haustator rina
Hemipristis
- † Hemipristis curvatus
- † Hemipristis wyattdurhami
Hemisinus
- † Hemisinus jacksonius
† Hemisurcula
- † Hemisurcula silicata
A living Heterodontus , or bullhead shark
Heterodontus
- † Heterodontus pineti
Heterostegina
Hexaplex
- † Hexaplex katherinae
- † Hexaplex marksi
- † Hexaplex silvaticus
- † Hexaplex supernus
† Hilgardia
- † Hilgardia multilineata
Hipponix
- † Hipponix pygmaea
- † Hipponix pygmaeus
† Homomya
- † Homomya hamatoides
Hoplopteron
- † Hoplopteron elegans
† Hypolagus – or unidentified comparable form
† Hypoxylon

I

† Ilexpollenites
† Inapertisporites
† Inaperturopollenites
† Infracoronia
- † Infracoronia ludoviciana
† Involutisporites
† Involutisporonites
A modern Isurus , or mako shark
Isurus
- † Isurus praecursor

J

† Jefitchia
- † Jefitchia claybornensis
† Jonus
- † Jonus tortilis
Jugosocythereis

K

† Kapalmerella
- † Kapalmerella alveata
- † Kapalmerella arenicola
- † Kapalmerella mortoni
- † Kapalmerella pleboides
Kelliella
- † Kelliella boettgeri
† Kyandopollenites
- † Kyandopollenites anneratus

L

† Lacrimasporonites
- † Lacrimasporonites basidii
Lactarius
† Laevigatosporites
Lagena
- † Lagena hexagona
Lamarckina
- † Lamarckina byramensis
- † Lamarckina claibornse
A modern Lamna mackerel shark
Lamna
- † Lamna lerichi
† Lapparia
- † Lapparia cancellata
- † Lapparia dumosa
- † Lapparia mooreana
Latirus
- † Latirus humilior
- † Latirus moorei
- † Latirus tortillis
† Leiotriletes
Lenticulina
- † Lenticulina catahoulaensis
- † Lenticulina cultrata
- † Lenticulina danvillensis
- † Lenticulina rotulata
- † Lenticulina vicksburgensis
† Lepidocyclina
- † Lepidocyclina supera
† Levifusus
- † Levifusus branneri
- † Levifusus fulguriparens
- † Levifusus identus
- † Levifusus mortoniopsis
- † Levifusus pagodiformis
- † Levifusus prepagoda
- † Levifusus supraplanus
- † Levifusus trabeatus
† Liliacidites
Lima
† Limnoecus
- † Limnoecus niobrarensis
Limopsis
- † Limopsis aviculoides
- † Limopsis radiata
† Linthia
- † Linthia hollandi – type locality for species
† Liquidambarpollenites
† Lirodiscus
- † Lirodiscus jacksonensis
- † Lirodiscus pretriangulata
- † Lirodiscus smithvillensis
† Lirofusus
- † Lirofusus thoracicus
† Lithophysema
- † Lithophysema grande
† Litorhadia
- † Litorhadia albirupina – tentative report
- † Litorhadia compsa
- † Litorhadia mater
Loxoconcha
- † Loxoconcha woodwordensis
Lucina
- † Lucina atoma
- † Lucina perminuta
Lunulites
- † Lunulites bassleri
† Lusatisporites
† Lycopodiumsporites
† Lyrosurcula
- † Lyrosurcula acuta
- † Lyrosurcula columbiana
- † Lyrosurcula dalli
- † Lyrosurcula elegans
- † Lyrosurcula obsoleta
- † Lyrosurcula shaleri

M

Macrocallista
Madracis
- † Madracis ganei – type locality for species
- † Madracis gregorioi
Madrepora
- † Madrepora natchitochensis – type locality for species
Restoration of a Mammut americanum , or American mastodon
† Mammut
† Margaritaria
- † Margaritaria inexpectens
Marginella
- † Marginella constrictoides
Marginulina
- † Marginulina variata
Marginulinopsis
- † Marginulinopsis fragaria
† Margocolporites
- † Margocolporites kruschii
Martesia
Massilina
- † Massilina pratti
† Mauricia
- † Mauricia houstonia
† Mazzalina
- † Mazzalina plena
Melanella
- † Melanella jacksonensis
- † Melanella wheeleri
Melonis
- † Melonis planatum
Meretrix
- † Meretrix nuttalliopsis
- † Meretrix nuttelliopsis
Life restoration of the Miocene three-toed horse Merychippus
† Merychippus
- † Merychippus gunteri
† Merychyus
Mesalia
- † Mesalia claibornensis
- † Mesalia vetusta
Metula
- † Metula johnsoni
- † Metula subgracilis
† Michela
- † Michela trabeatoides
Microdrillia
- † Microdrillia minutissima
- † Microdrillia ouachitae
- † Microdrillia robustula
† Microfoveolatosporis
- † Microfoveolatosporis pseudodentatus
† Microfoveolatosporites
† Microreticulatisporites
Miltha
- † Miltha gaufia
† Miomustela
Mitrella
- † Mitrella alabamensis
- † Mitrella casteri
- † Mitrella parva
Mnestia
- † Mnestia dekayi
- † Mnestia meyeri
Modiolus
† Momipites
† Monoporisporites
† Monoptygma
- † Monoptygma crassiplicum
† Morozovella
- † Morozovella aragonensis
† Multicellaesporites
Myliobatis
Life restoration of the Pleistocene-Holocene ground sloth Mylodon with an inset depicting its excrement and a skin fragment
† Mylodon
- † Mylodon harlanii
† Myripistis
Myripristis
Myrtea
- † Myrtea curta

N

† Nannipus
A living Nassarius , or nassa mud snail
Nassarius
- † Nassarius albirupina
- † Nassarius exilis
- † Nassarius hilli
- † Nassarius jacksonensis
- † Nassarius magnocostata
† Natchitochia – type locality for genus
- † Natchitochia jonesi – type locality for species
Natica
- † Natica aperta
- † Natica permunda
A living Naticarius moon sea snail
Naticarius – or unidentified comparable form
- † Naticarius semilunata
Nemocardium
- † Nemocardium gambrinum
- † Nemocardium nicoletti
- † Nemocardium nicolletti
- † Nemocardium salrivale
† Neobythitinarum – report made of unidentified related form or using admittedly obsolete nomenclature
- † Neobythitinarum meyeri
† Neobythitinorum – report made of unidentified related form or using admittedly obsolete nomenclature
- † Neobythitinorum meyeri
† Neoepenoides
- † Neoepenoides antillarum
† Neozanthopsis
- † Neozanthopsis americana
Neverita
- † Neverita limula
Shell of a Niso sea snail
Niso
Nodosaria
- † Nodosaria pyrula
- † Nodosaria vertebralis
Nonion
- † Nonion advenum
- † Nonion alabamense
- † Nonion decoratum
Nonionella
- † Nonionella hantkeni
- † Nonionella jacksonensis
- † Nonionella tatumi
† Nototamias
Interior of a fossilized shell of the Early Ordovician-modern marine bivalve Nucula
Nucula
- † Nucula magnifica
- † Nucula mauricensis
- † Nucula ovula
- † Nucula smithvillensis – or unidentified comparable form
- † Nucula sphenopsis
- † Nucula yazooensis
Nuculana
- † Nuculana corpulentoidea
- † Nuculana fiski – type locality for species
- † Nuculana magna
- † Nuculana ovula
- † Nuculana wautubbeana
† Nudopollis
- † Nudopollis terminalis
- † Nudopollis theirgartii – or unidentified related form

O

A living Odontaspis sand shark
Odontaspis
- † Odontaspis hopei
† Odontogryphaea
- † Odontogryphaea thirsae
† Odontopolys
- † Odontopolys compsorhytis
Odostomia
- † Odostomia trapaquara
Operculina
† Ophichthyidarum – report made of unidentified related form or using admittedly obsolete nomenclature
- † Ophichthyidarum brevior
Orthopristis
† Orthosurcula
- † Orthosurcula adeona – or unidentified related form
- † Orthosurcula indenta
- † Orthosurcula longipersa
- † Orthosurcula persa
Orthoyoldia
- † Orthoyoldia kindlei
- † Orthoyoldia psammotaea
† Osmundacidites
A living Ostracion boxfish
† Ostracion
- † Ostracion meretrix
Ostrea
- † Ostrea compressirostra – or unidentified comparable form
- † Ostrea crenulimarginata
- † Ostrea falco
- † Ostrea multilirata
- † Ostrea sylvaerupis
Otionella
† Ovoidites

P

† Pachecoa
- † Pachecoa decisa
- † Pachecoa ellipsis
- † Pachecoa pulchra
Petrified trunk segment of the Late Cretaceous-Miocene palm wood Palmoxylon
† Palmoxylon
- † Palmoxylon cellulosum
- † Palmoxylon quenstedi
† Papillina
- † Papillina dumosa
Paraconger
Paracyathus
- † Paracyathus alternatus – type locality for species
- † Paracyathus bellus
Paracypris
- † Paracypris rosefieldensis
Fossilized skeleton of the Pliocene-Pleistocene ground sloth Paramylodon
† Paramylodon
- † Paramylodon harlani – type locality for species
Parasmilia
- † Parasmilia ludoviciana – type locality for species
† Parcypris
Parvilucina
- † Parvilucina sabelli
† Patulaxis
- † Patulaxis scrobiculata
Pecten
- † Pecten perplanus
† Pediastrum
An apertural view of a shell of Penion maximus .
Penion
- † Penion penrosei
Periploma
- † Periploma claibornense
- † Periploma collardi
- † Periploma howei – type locality for species
† Perotriletes
† Pesavis
- † Pesavis tagulensis
† Petauristodon
Petrophyllia
- † Petrophyllia vernonensis – type locality for species
- † Petrophyllia vicksburgensis
Shell of a Phalium , or bonnet shell sea snail
Phalium
- † Phalium brevicostatum
- † Phalium taitii
Pholadomya
- † Pholadomya harrisi
Phos
- † Phos sagenum
- † Phos texanum
Picea
- † Picea critchfieldii
† Piceapollenites
† Pilicatula
- † Pilicatula filamentosa
Pinna
- † Pinna gardnerae
† Pinuspollenites
† Pistillipollenites
- † Pistillipollenites mcgregorii
Shell of a Pitar venus clam
Pitar
- † Pitar securiformis
- † Pitar trigoniata
† Plagiarca
- † Plagiarca rhomboidella
- † Plagiarca vaughani
Plagiocardium
Planorbulina
- † Planorbulina mediterranensis
Planularia
Planulina
- † Planulina ouachitaensis
† Platycaryapollenites
- † Platycaryapollenites platycaryoides
† Platyoptera
- † Platyoptera extenta
Platytrochus – type locality for genus
- † Platytrochus elegans – type locality for species
† Pleuricellaesporites
Pleurofusia
- † Pleurofusia danvicola
- † Pleurofusia evanescens
- † Pleurofusia fluctuosa
- † Pleurofusia huppertzi
- † Pleurofusia subservata
† Pleuroliria
- † Pleuroliria crenulosa
- † Pleuroliria jacksonella
- † Pleuroliria simplex
Pleuromeris
- † Pleuromeris inflatior
- † Pleuromeris inflator
Pleurotomella
- † Pleurotomella veatchi
Plicatula
- † Plicatula filamentosa
- † Plicatula louisiana
Podocarpus
Fossilized shell of the Paleocene-modern moon snail Polinices
Polinices
- † Polinices aratus
- † Polinices harrisii
- † Polinices julianna
- † Polinices weisbordi
† Pollinices
- † Pollinices harrisii
† Polycolporopollenites
Polymorphina
- † Polymorphina advena
† Polypodium
Polyschides
- † Polyschides margarita
Pontocythere
† Pontogeneus – type locality for genus
- † Pontogeneus priscus – type locality for species
† Porocolpopollenites
Poromya
- † Poromya mississippiensis
† Porticulasphaera
- † Porticulasphaera index
† Preophidion
- † Preophidion meyeri
† Priscoficus
- † Priscoficus juvenis
Fossilized skeleton of the Eocene bony fish Pristigenys
Pristigenys
- † Pristigenys obliquus
Pristipomoides
Pristis
- † Pristis lathami
† Projenneria
- † Projenneria ludoviciana – type locality for species
Propeamussium
- † Propeamussium squamulum – or unidentified comparable form
† Propristis
- † Propristis schweinfurthi
† Prosynthetoceras
- † Prosynthetoceras francisi
† Proteacidites
† Protosurcula
- † Protosurcula gabbii
† Pseudohastigerina
- † Pseudohastigerina micra
Shell in multiple views of a Pseudolatirus spindle sea snail
† Pseudolatirus
- † Pseudolatirus tortilis
Pseudoliva
- † Pseudoliva santander
- † Pseudoliva vetusta
Pseudoneptunea – or unidentified comparable form
- † Pseudoneptunea harrisi
Pseudononion
- † Pseudononion spissus
† Pseudoparablastomeryx
Pseudophichthys
† Pseudoplicapollis
Pteria
- † Pteria limula
† Pterocaryapollenites
† Pteropsella
- † Pteropsella lapidosa
† Pterosphenus
- † Pterosphenus schucherti
Pterynotus
- † Pterynotus sabinola
- † Pterynotus weisbordi – type locality for species
Assemblage of fossilized shells of the Cretaceous-Pleistocene oyster Pycnodonte
Pycnodonte
- † Pycnodonte ludoviciana
- † Pycnodonte sylvaerupis
- † Pycnodonte trigonalis
- † Pycnodonte vicksburgensis
Pyramidella
- † Pyramidella lapinaria
- † Pyramidella meyeri
- † Pyramidella perexilis
† Pyramimitra
- † Pyramimitra terebraeformis
Pythonichthys – or unidentified comparable form

Q

† Quadrapollenites
† Quercoidites
Shell of a Quinqueloculina foraminiferan
Quinqueloculina
- † Quinqueloculina cookei
- † Quinqueloculina vicksburgensis

R

Raphitoma
- † Raphitoma nucleola
A living Retusa barrel bubble sea snail
Retusa
- † Retusa adamsi
- † Retusa galba
- † Retusa jacksonensis
- † Retusa kellogii
Reussella
- † Reussella byramensis
- † Reussella oligocenica
† Rhabdopitaria
- † Rhabdopitaria winnensis
A school of living Rhinoptera , or cownose rays
Rhinoptera
Rhizoprionodon
Rhizorus – or unidentified comparable form
- † Rhizorus minutissimus
- † Rhizorus wellsi
Rhynchoconger
Rimella
- † Rimella texanum
† Ringicardium
- † Ringicardium harrisi
Ringicula
- † Ringicula butleriana
- † Ringicula trapaquara
† Rotalia
- † Rotalia byramensis
† Rudiscala
- † Rudiscala harrisi

S

Saracenaria
- † Saracenaria moresiana
Sassia
- † Sassia jacksonensis
- † Sassia septemdentata
Scaphella – or unidentified comparable form
- † Scaphella newcombiana
Schizaster
- † Schizaster armiger
† Schizosporis
- † Schizosporis paleocenicus
Sciaena
- † Sciaena pseudoradians
- A living Sciaena umbra , or brown meagre
  † Sciaena umbra
† Sciaenidarium
- † Sciaenidarium claybornensis
Scobinella
- † Scobinella famelica
- † Scobinella hammettensis
- † Scobinella louisianae
- † Scobinella newtonensis
- † Scobinella transitionalis
† Sequoidendron
Serpulorbis
- † Serpulorbis chavani
Sigmomorphina
- † Sigmomorphina jacksonensis
- † Sigmomorphina pulchra
- † Sigmomorphina semitecta
† Sigmopollis
Simnia
- † Simnia subtruncata
† Sinistrella
- † Sinistrella americana
Several views of the shell of a Sinum moon snail
Sinum
- † Sinum danvillense
- † Sinum fiski – type locality for species
- † Sinum jacksonense
Siphonalia
- † Siphonalia sullivani
Siphonina
- † Siphonina advena
- † Siphonina jacksonensis
Sirembo – or unidentified related form
† Skenae
- † Skenae pignus
Solariella
- † Solariella tricostata
Solariorbis
- † Solariorbis subangulatus
Solen
- † Solen pendletonensis – type locality for species
† Sparidarum – report made of unidentified related form or using admittedly obsolete nomenclature
† Sphaerocypraea
- † Sphaerocypraea jacksonensis
A living Sphyraena , or barracuda
Sphyraena
- † Sphyraena major
† Spinaepollis
- † Spinaepollis spinosus
Spirillina
- † Spirillina vicksburgensis
Spiroloculina
Spiroplectammina
- † Spiroplectammina howei
- † Spiroplectammina mississippiensis
† Spirotextularia
- † Spirotextularia mississippiensis
Spisula
- † Spisula jacksonensis
- † Spisula parilis
- † Spisula praetenuis – or unidentified comparable form
Shell of a Spondylus , or spiny oyster
Spondylus
† Sterisporites
- † Sterisporites bimammatus
- † Sterisporites buchenauensis
- † Sterisporites bujargensis
- † Sterisporites steroides
† Sulcocypraea
- † Sulcocypraea healeyi
- † Sulcocypraea vaughani
† Sullivania
- † Sullivania fisherensis
† Surculoma
- † Surculoma falsabenes
- † Surculoma kellogii
- † Surculoma sabinicola
- † Surculoma stantoni
Sveltella
- † Sveltella parva

T

Taxodium
Teinostoma
- † Teinostoma barryi
Restoration of the Miocene-Pliocene rhinoceros Teleoceras
† Teleoceras
Tellina
- † Tellina bellsiana
- † Tellina estellensis
- † Tellina vicksburgensis
Tenagodus
- † Tenagodus vitis
Terebra
- † Terebra abditiva
- † Terebra jacksonensis
- † Terebra texagyra
† Terebrifusus – tentative report
Teredo
- † Teredo mississippiensis
† Tetraporina
† Texomys
- † Texomys ritchiei
† Textualaria
- † Textualaria tumidula
Fossilized shell of the Carboniferous-modern foraminiferan Textularia
Textularia
- † Textularia dibollensis
† Thompsonipollis
- † Thompsonipollis magnificus
† Tiburnus
- † Tiburnus eboreus
† Tiliaepollenites
Trachycardium
- † Trachycardium ouachitense
† Triagnulocypris
- † Triagnulocypris gibsonensis – tentative report
Illustration of a living Trichiurus cutlassfish
Trichiurus
- † Trichiurus sagittidens
† Tricolpites
- † Tricolpites hians
† Tricolpopollenites
- † Tricolpopollenites geranoides
† Tricolporopollenites
Trigonostoma
- † Trigonostoma babylonicum
- † Trigonostoma panones
- † Trigonostoma selectum
Trigonulina
- † Trigonulina satex
Triloculina
- † Triloculina byramensis
- † Triloculina sculptura
† Trinacria
- † Trinacria microcancellata – or unidentified comparable form
† Triplanosporites
† Triporopollenites
- † Triporopollenites bituitus
† Tritonatractus
- † Tritonatractus pearlensis
† Tritonidea
- † Tritonidea pachecoi
Trochita
- † Trochita aperta
Trochocyathus
- † Trochocyathus montgomeriensis
† Tropisurcula
- † Tropisurcula crenula
† Trudopollis
† Truncorotaloides
- † Truncorotaloides danvillensis
† Trypanotoma
- † Trypanotoma obtusa
- † Trypanotoma terebriformis
† Turbinolia
- † Turbinolia pharetra
- † Turbinolia subtercisa
- † Turbinolia tenuis
- † Turbinolia vicksburgensis
A living Turbonilla parasitic pyram sea snail
Turbonilla
- † Turbonilla major – tentative report
Turricula
- † Turricula nasuto
- † Turricula plenta
- † Turricula plutonica
† Turrilina
- † Turrilina robertsi
Turris
- † Turris capax
- † Turris kerenensis
- † Turris rockscreekensis
- † Turris siphus
Fossilized shells of the Late Jurassic-modern tower snail Turritella
Turritella
- † Turritella aldrichi
- † Turritella bellifera
- † Turritella bunkerhillensis
- † Turritella clevelandia
- † Turritella creola
- † Turritella dutexata
- † Turritella eurynome
- † Turritella gardnerae – type locality for species
- † Turritella multilira
- † Turritella nasuta
- † Turritella praecincta
† Tythonichthys – or unidentified comparable form

U

† Ulmipollenites
Umbraculum
- † Umbraculum planulatum
Umbrina
- † Umbrina gemma – or unidentified related form
† Undulatisporites
Uroconger
Uromitra
- † Uromitra grantensis
Ursus
- A living Ursus americanus , or American black bear
  † Ursus americanus
Uvigerina
- † Uvigerina gardnerae
- † Uvigerina jacksonensis
- † Uvigerina vicksburgensis

V

Vaginulina
A living Vasum , or vase sea snail
Vasum
- † Vasum humerosum
Venericardia
- † Venericardia apodensata
- † Venericardia bashiplata
- † Venericardia carsonensis
- † Venericardia densata
- † Venericardia diversidentata
- † Venericardia gardnerae – type locality for species
- † Venericardia klimacodes
- † Venericardia natchitoches
- † Venericardia rotunda
- † Venericardia sabinensis – type locality for species
† Verrucatosporites
- † Verrucatosporites prosecundus
- † Verrucatosporites spp,
Verticordia
- † Verticordia cossmanni
- † Verticordia sotoensis
† Virgulina
- † Virgulina vicksburgensis
† Vokesula
- † Vokesula aldrichi
A living Voluta sea snail
Voluta
- † Voluta newcombiana
† Volvaria
- † Volvaria reticulata

X

Xenistius – or unidentified related form
Fossilized shell of the Late Cretaceous-modern carrier shell sea snail Xenophora
Xenophora
- † Xenophora reclusa
† Xiphiorhynchus

Y

Yoldia
- † Yoldia hammetti
- † Yoldia kindlei

Z

Life restoration of the Eocene whale Zygorhiza
† Zygorhiza
- † Zygorhiza kochii

References

Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database" . Retrieved December 17, 2021.

Lists of the prehistoric life of the United States by state

States

Federal district

Washington, D.C.

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