This list of the prehistoric life of Mississippi contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Mississippi.
Precambrian-Paleozoic The Paleobiology Database records no known occurrences of Precambrian or Paleozoic fossils in Mississippi.
Mesozoic Acesta Acirsa Acmaea †Acteon †Aenona †Agerostrea Alvania †Ampullina Anatina †Ancilla †Anomia †Anomoeodus †Arca Architectonica Arrhoges Astarte Atractosteus †Baculites †Baculites arculus †Baculites capensis †Baculites grandis – or unidentified comparable form †Baculites tippahensis Barbatia †Belemnitella †Belemnitella americana Bernaya Bittium – tentative report Botula †Botula carolinensis †Botula ripleyana Brachidontes Bulla – tentative report Cadulus Caestocorbula †Caestocorbula crassaplica †Caestocorbula crassiplica †Caestocorbula suffalciata †Caestocorbula terramaria †Calliomphalus †Calliomphalus americanus †Calliomphalus nudus Calyptraea Cantharus Capulus Carcharias – tentative report Caryophyllia †Catopygus †Caveola Ceratia Cerithiella †Cerithiella nodoliratum †Cerithiella semirugatum Cerithium Chlamys †Chondrites Cidaris Clavagella Cliona Corbula Crenella †Crenella elegantula †Crenella serica †Cretolamna †Cretolamna appendiculata Crucibulum Cucullaea †Cucullaea capax †Cucullaea littlei Cuspidaria †Cuspidaria grandis †Cuspidaria jerseyensis – or unidentified comparable form Cylichna †Cylichna diversilirata †Cylichna incisa †Cymella Dasmosmilia †Dasmosmilia kochii †Dentalium †Dentalium leve Dimya †Discoscaphites †Discoscaphites conradi †Discoscaphites iris †Dolicholatirus †Ecphora †Enchodus †Enchodus petrosus †Eothoracosaurus – type locality for genus †Eothoracosaurus mississippiensis – type locality for species †Epitonium †Epitonium sillimani †Eryma – report made of unidentified related form or using admittedly obsolete nomenclature †Eulima †Eulima gracilistylis †Eulima monmouthensis †Euspira †Eutrephoceras †Exogyra †Exogyra costata †Exogyra ponderosa †Exogyra upatoiensis Fusinus †Gegania Gemmula †Gervillia Ginglymostoma Glossus Glycymeris †Glycymeris rotundata †Gryphaea †Gyrineum †Hadrosaurus – tentative report †Hamites †Hamulus †Helicoceras Hemiscyllium †Hoploparia Hyala †Hybodus †Inoceramus †Ischyrhiza †Ischyrhiza mira Lepisosteus Lima Limatula †Linearis †Linthia Linuparus Lithophaga Lopha †Lopha falcata †Lopha mesenterica †Lucina – tentative report †Mathilda Meretrix – tentative report †Micraster Modiolus †Modiolus sedesclaris †Modiolus sedesclarus †Morea †Mosasaurus †Mytilus – tentative report †Neithea †Neithea bexarensis Nerita Neritina †Nostoceras Nozeba Nucula †Nucula camia †Nucula cuneifrons †Nucula percrassa Ostrea †Pachydiscus †Pachymelania – tentative report Panopea †Paranomia Pecten Pholadomya †Pholadomya occidentalis Pinna †Placenticeras †Plagiostoma †Platecarpus – type locality for genus †Platecarpus tympaniticus – type locality for species †Plesiotriton Plicatula Polinices †Protocardia †Pseudocorax †Pteria †Pterotrigonia †Pterotrigonia angulicostata †Pterotrigonia eufalensis †Pterotrigonia eufaulensis †Pterotrigonia thoracica †Ptychodus †Ptychodus mortoni †Ptychotrygon Pycnodonte †Pycnodonte belli †Pycnodonte mutabilis †Pycnodonte vesicularis Ringicula †Ringicula clarki †Ringicula pulchella †Sargana †Sassia †Scapanorhynchus †Scapanorhynchus texanus †Scaphites †Scaphites leei †Sclerorhynchus Seila Serpula †Sphenodiscus †Sphenodiscus beecheri †Sphenodiscus lobatus †Sphenodiscus pleurisepta Spondylus Squalicorax †Squalicorax kaupi Stosicia Teinostoma Tellina †Tenea Thracia †Tornus – tentative report Trachycardium †Trachycardium eufaulensis Trichotropis †Trigonia †Trigonostoma †Turrilites Turritella †Turritella bilira †Turritella chalybeatensis †Turritella hilgardi †Turritella paravertebroides †Turritella tippana †Turritella trilira †Turritella vertebroides †Tympanotonus †Xiphactinus †Xiphactinus audax
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