List of the Mesozoic life of South Dakota

This list of the Mesozoic life of South Dakota contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of South Dakota and are between 252.17 and 66 million years of age.

A

• Acipenser – or unidentified comparable form
• †Actinocamax
• †Actinosepia
  • †Actinosepia canadensis
• †Adocus
• †Agerostrea
  • †Agerostrea translucida
• †Aletridelphys
  • †Aletridelphys florencae
  • †Aletridelphys hatcheri
• †Allosaurus

• 

  †Alphadon
  • †
    Alphadon marshi
• †Amesoneuron
  • †Amesoneuron FU37 – informal
• †
  Anatotitan
  • †
    Anatotitan copei
• †Anisomyon
• †
  Anomia
  • †Anomia gryphorhyncha
• †Antillocaprina
• †Anzu – type locality for genus
  • †Anzu wyliei – type locality for species
• †Apatosaurus
• †
  Araucarioxylon
  • †Araucarioxylon hoppertonae – type locality for species

• 

  †Archelon – type locality for genus
  • †Archelon ischryos
  • †
    Archelon ischyros
    – type locality for species
• †Artocarpus – report made of unidentified related form or using admittedly obsolete nomenclature
  • †Artocarpus lessigiana
• Aspideretes
• †Asplenium
  • †Asplenium Dicksonianum
• †Axestemys – or unidentified comparable form
  • †Axestemys splendida

B

• 

  †Baculites
  • †
    Baculites clinolobatus
  • †
    Baculites compressus
  • †
    Baculites grandis
  • †
    Baculites larsoni
  • †
    Baculites ovatus
  • †
    Baculites yokoyamai
• †Bananogmius
  • †Bananogmius evolutus
• †Baptornis
  • †
    Baptornis varneri
    – type locality for species

• 

  †Barosaurus – type locality for genus
  • †
    Barosaurus lentus
    – type locality for species
• †Basilemys
  • †Basilemys sinuosa
• †Belemnitella
  • †Belemnitella bulbosa
• Beryx – or unidentified related form
• †Binneyites
  • †Binneyites carlilensis
• †Bisonia
  • †Bisonia niemii
• †Bolodon
  • †
    Bolodon hydei
    – type locality for species
• †Borealosuchus
  • †
    Borealosuchus sternbergii
• †Borissiakoceras – tentative report
• Brachidontes

• 

  †Brachychampsa
  • †
    Brachychampsa montana
• †Brodavis
  • †
    Brodavis baileyi
    – type locality for species
• †Bubodens – type locality for genus
  • †Bubodens magnus – type locality for species

C

• †Caenagnathus
• †Calycoceras
  • †
    Calycoceras boreale
    – type locality for species
  • †
    Calycoceras dromense
    – or unidentified comparable form

• 

  †Camarasaurus
• Campeloma
• †Camptonectes
  • †Camptonectes hallii
• †Carabites
  • †Carabites russelli – type locality for species
• †Cataceramus – or unidentified comparable form
  • †Cataceramus tenuilineatus
• †Caturus
  • †Caturus dartoni – type locality for species
• †Celastrophyllum
  • †Celastrophyllum pulchrum – type locality for species

• 

  †Champsosaurus
• †Cimexomys
• †Cimolodon
  • †
    Cimolodon nitidus
• †Cimolomys
  • †
    Cimolomys gracilis
• †Cissites
  • †Cissites ingens
  • †Cissites salisburiaefolius
• †Claibornites
  • †Claibornites cedrensis
• †Claosaurus
  • †
    Claosaurus affinis
    – type locality for species
• †Clavipholas

• 

  †Clidastes
  • †
    Clidastes propython
• †Clisocolus
  • †Clisocolus moreauensis
• †Cocculus
  • †Cocculus flabella
• †Collignoniceras
  • †
    Collignoniceras collisniger
    – type locality for species
  • †
    Collignoniceras jorgenseni
    – type locality for species
  • †
    Collignoniceras percarinatum
  • †
    Collignoniceras praecox
  • †
    Collignoniceras vermilionense
  • †
    Collignoniceras woolgari
  • †
    Collignoniceras woollgari
• †Compsemys
  • †
    Compsemys victa
• Corbula
  • †Corbula crassimarginata
• †Corbulamella
  • †Corbulamella gregaria
• †Crassatellina
  • †Crassatellina hollandi
• †
  Crenella
  • †
    Crenella elegantula
• †Cretodus

• Cretolamna

  • †
    Cretolamna appendiculata

• †Cteniogenys
  • †Cteniogenys antiquus
• Cucullaea
  • †Cucullaea nebrascensis
• †Cupressinocladus
  • †Cupressinocladus interruptus
• †Curculionites
  • †Curculionites hylobioides – type locality for species
  • †Curculionites northropi – type locality for species
  • †Curculionites vulpinus – type locality for species
• †Cuspidaria
  • †Cuspidaria moreauensis
  • †Cuspidaria ventricosa

• 

  †Cycadeoidea
  • †
    Cycadeoidea aspera
    – type locality for species
  • †
    Cycadeoidea cicatricula
    – type locality for species
  • †
    Cycadeoidea colei
    – type locality for species
  • †
    Cycadeoidea colossalis
    – type locality for species
  • †
    Cycadeoidea dacotensis
  • †
    Cycadeoidea excelsa
    – type locality for species
  • †
    Cycadeoidea formosa
    – type locality for species
  • †
    Cycadeoidea furcata
    – type locality for species
  • †
    Cycadeoidea ingens
    – type locality for species
  • †
    Cycadeoidea insolita
    – type locality for species
  • †
    Cycadeoidea jenneyana
  • †
    Cycadeoidea Jenneyana
  • †
    Cycadeoidea marshiana
    – type locality for species
  • †
    Cycadeoidea mcbridei
    – type locality for species
  • †
    Cycadeoidea McBridei
    – type locality for species
  • †
    Cycadeoidea minnekahtensis
    – type locality for species
  • †
    Cycadeoidea nana
    – type locality for species
  • †
    Cycadeoidea occidentalis
    – type locality for species
  • †
    Cycadeoidea paynei
    – type locality for species
  • †
    Cycadeoidea pulcherrima
    – type locality for species
  • †
    Cycadeoidea stillwelli
    – type locality for species
  • †
    Cycadeoidea turrita
    – type locality for species
  • †
    Cycadeoidea Wellsii
    – type locality for species
• †Cyclurus
  • †Cyclurus fragosus
• †Cymbophora
  • †Cymbophora warrenana
• Cyrtodaria
  • †Cyrtodaria minuta

D

• †Dakotadon
  • †
    Dakotadon lakotaensis

• 

  †Dakotaraptor – type locality for genus
  • †
    Dakotaraptor steini
    – type locality for species
• †Dakoticancer
  • †Dakoticancer overanus
• †Delphodon
  • †Delphodon comptus – or unidentified comparable form
• †Desmatochelys
  • †
    Desmatochelys lowi
• †Didelphodon
  • †Didelphodon vorax – or unidentified comparable form
• †Diplodocus
• †Discoscaphites
  • †
    Discoscaphites conradi
  • †
    Discoscaphites gulosus
  • †
    Discoscaphites rossi
    – type locality for species
• †Dolichorhynchops
  • †
    Dolichorhynchops osborni
• †Dosiniopsis
  • †Dosiniopsis deweyi
• †Drepanochilus
  • †Drepanochilus evansi
• †Dryophyllum
  • †Dryophyllum subfalcatum
  • †Dryophyllum tenneseensis
• †Dunveganoceras
  • †Dunveganoceras pondi

E

• †Edmontonia
  • †
    Edmontonia longiceps

• 

  †Edmontosaurus
• †Elasmosaurus
  • †
    Elasmosaurus intermedius
    – type locality for species
• †Elatides
  • †Elatides longifolia
• †Ellipsoscapha
• †Embaphias – type locality for genus
  • †Embaphias circulosus – type locality for species
• †Enchodus
• †Erlingdorfia
  • †Erlingdorfia montana
• †Ethmocardium
  • †Ethmocardium welleri
• †Eubostrychoceras
  • †Eubostrychoceras matsumotoi
• †Eucalycoceras
  • †Eucalycoceras pentagonum
• †Eutrephoceras
  • †
    Eutrephoceras dekayi

F

• †Fokieniopsis
  • †Fokieniopsis catenulata

G

• †Galagadon – type locality for genus^[1]
  • †
    Galagadon nordquistae – type locality for species^[1]
• †
  Geosternbergia
  • †
    Geosternbergia maiseyi
    – type locality for species
• Gleichenia
  • †Gleichenia Zippei

• 

  †Globidens
  • †
    Globidens alabamensis
  • †
    Globidens dakotensis
    – type locality for species
  • †
    Globidens schurmanni
    – type locality for species
• †Glossozamites
  • †Glossozamites Fontaineanus – type locality for species
• †Glyptops
• Glyptostrobus
  • †Glyptostrobus europaeus
• †Goniomya
  • †Goniomya americana

• 

  †Gorgosaurus
• †Grammatodon
  • †Grammatodon sulcatinus
• †Granocardium
  • †Granocardium whitei
• †Graphidula
  • †Graphidula culbertsoni
• †Grewiopsis
  • †Grewiopsis saportana
• †Gypsonictops
  • †Gypsonictops hypoconus
• †Gyrostrea
  • †Gyrostrea subtrigonalis

H

• †
  Hainosaurus
  • †Hainosaurus neumilleri – type locality for species
• †Hamites
  • †Hamites cimarronensis
• †Helopanoplia
  • †Helopanoplia distincta
• Hemiaster
  • †Hemiaster beecheri
• †Hercorhynchus
  • †Hercorhynchus hollandi

• 

  †Hesperornis
  • †
    Hesperornis regalis
    – or unidentified comparable form
• Hiatella – tentative report
• †Hindsiella
  • †Hindsiella corsonensis
• †Hoplitosaurus
  • †
    Hoplitosaurus marshi
    – type locality for species
• †Hoploparia
• †Hoploscaphites
  • †
    Hoploscaphites comprimus
  • †
    Hoploscaphites melloi
    – type locality for species
  • †
    Hoploscaphites nicolletii

• 

  †Hulettia
  • †Hulettia americana – type locality for species
• †Hypoxytoma
  • †Hypoxytoma nebrascana
• †Hypsilophodon
  • †
    Hypsilophodon wielandi
    – type locality for species

I

• †Ichthyodectes
• †Infernolestes – type locality for genus
  • †Infernolestes rougieri – type locality for species

• 

  †Inoceramus
  • †
    Inoceramus apicalis
  • †
    Inoceramus ginterensis
  • †
    Inoceramus tenuis
    – or unidentified related form
  • †
    Inoceramus tenuistriatus
    – tentative report
• †Ischyodus
  • †
    Ischyodus rayhaasi
• Isurus

J

• †Jeletskytes
  • †Jeletskytes nodosus

• 

  †Jeletzkytes
  • †
    Jeletzkytes dorfi
  • †
    Jeletzkytes nebrascensis
  • †
    Jeletzkytes spedeni
    – type locality for species
• Juliacorbula
  • †Juliacorbula crassimarginata
• Jupiteria
  • †Jupiteria scitula

L

• †Lakotalestes – type locality for genus
  • †Lakotalestes luoi – type locality for species
• Lamna
• †Laurophyllum
  • †Laurophyllum wardiana
• †Leepierceia
  • †Leepierceia preartocarpoides

• 

  †Leidyosuchus
• †
  Lemnaceae
  • †Lemnaceae scutatum
• †Lepidotes – tentative report
  • †Lepidotes lacotanus
• Lepisosteus
  • †Lepisosteus occidentalis
• †Leptalestes
  • †
    Leptalestes cooki
  • †
    Leptalestes krejcii
• †Leptosolen
• Limopsis
  • †Limopsis striatopunctatus
• †Lioplacodes
• †Lucina – tentative report

M

• Malletia
  • †Malletia evansi
• †Marmarthia
  • †Marmarthia pearsonii
  • †Marmarthia trivialis
• †Martinectes
  • †
    Martinectes bonneri
• †Melvius
  • †Melvius thomasi
• †Meniscoessus
  • †
    Meniscoessus robustus
• †Mesodma
  • †
    Mesodma formosa
  • †
    Mesodma hensleighi
  • †
    Mesodma thompsoni
• †
  Modiolus
  • †Modiolus attenuatus – or unidentified related form
  • †Modiolus galpinianus
  • †Modiolus meeki

• 

  †Mosasaurus
  • †
    Mosasaurus missouriensis
    – type locality for species
• †Myledaphus
  • †
    Myledaphus bipartitus

N

• 

  †Nelumbo
  • †Nelumbo FU62 – informal
• †Neocardioceras
  • †
    Neocardioceras transiens
    – type locality for species
• †Nonactaeonina
• †Nortedelphys
  • †Nortedelphys jasoni
• Nucula
  • †Nucula cancellata
  • †
    Nucula percrassa
  • †Nucula planomarginata
• Nuculana
  • †Nuculana grandensis
  • †Nuculana scitula
• †Nymphalucina
  • †Nymphalucina occidentalis

O

• †Opertochasma
  • †Opertochasma cuneatum
• †Ophiomorpha
  • †Ophiomorpha nodosa

• 

  †Ornithomimus
• †Osmakasaurus
  • †
    Osmakasaurus depressus
    – type locality for species
• Ostrea
  • †Ostrea translucida
• †
  Otoscaphites
  • †Otoscaphites seabeensis
• †Oxytoma
  • †Oxytoma nebrascana

P

• 

  †Pachycephalosaurus – type locality for genus
  • †
    Pachycephalosaurus wyomingensis
    – type locality for species
• †Pachyrhizodus
• †Pahasapasaurus – type locality for genus
  • †
    Pahasapasaurus haasi
    – type locality for species
• †Paleoaster
  • †Paleoaster inquirenda
• †Palmoxylon
  • †Palmoxylon cheyennense
• Panopea
  • †Panopea occidentalis
• †Paronychodon
  • †
    Paronychodon lacustris
• †Passumys – type locality for genus
  • †Passumys angelli – type locality for species
• †Pediomys
  • †Pediomys elegans
• Periploma
  • †Periploma subgracile
• †Phelopteria
  • †Phelopteria linguaeformis
  • †Phelopteria minuta
  • †Phelopteria quadrate
• Pholadomya
  • †Pholadomya deweyensis
• †Pistia – report made of unidentified related form or using admittedly obsolete nomenclature
  • †Pistia corrugata
• †Placenticeras
  • †
    Placenticeras pseudoplacenta
• †Platanites
  • †Platanites marginata
• Platanus
  • †Platanus cissoides

• 

  †Platecarpus
  • †
    Platecarpus somenensis
    – or unidentified comparable form
  • †
    Platecarpus tympaniticus
• †Plesiobaena
  • †Plesiobaena antiqua
• †Plioplatecarpus
  • †
    Plioplatecarpus primaevus
    – type locality for species
• †Podozamites
  • †Podozamites lanceolatus
• †Prionocyclus
  • †Prionocyclus macombi
  • †Prionocyclus novimexicanus

• 

  †Prognathodon
  • †
    Prognathodon overtoni
    – type locality for species
• †Proplacenticeras
  • †Proplacenticeras stantoni
• †Protacanthoceras
  • †Protacanthoceras proteus
• †Protalphadon
  • †Protalphadon lulli – tentative report
• †Protocardia
  • †Protocardia subquadrata
• †Protosphyraena
• †Protostega
  • †Protostega marshii – type locality for species
• †Pseudoptera
  • †Pseudoptera subtortuosa

• 

  †Pteranodon
  • †
    Pteranodon longiceps
• †Ptychodus
  • †Ptychodus janewayii
  • †
    Ptychodus occidentalis

Q

• Quercus
  • †Quercus Wardiana
• †Quereuxia
  • †Quereuxia angulata

R

• †
  Rhamnus
  • †Rhamnus cleburni
• †Rhombopsis
  • †Rhombopsis subturritus

• 

  †Richardoestesia
  • †
    Richardoestesia isosceles

S

• Sassafras
  • †Sassafras Mudgii
• †Scaphites
  • †Scaphites delicatulus
• †Semitriton
  • †Semitriton buccinoides
• †Sequoia
  • †Sequoia HC70 – informal
• †Serrifusus
  • †Serrifusus dakotaensis
• Solemya
  • †Solemya subplicata
• †Sourimis
  • †Sourimis equilateralis
• Spaniorinus
  • †Spaniorinus nicolleti
• Sphaerium
• †Sphenobaiera
  • †Sphenobaiera ikorfatensis
• †Sphenodiscus
  • †
    Sphenodiscus beecheri
    – tentative report
  • †
    Sphenodiscus lobatus
  • †
    Sphenodiscus pleurisepta
• †Spyridoceramus
  • †Spyridoceramus tegulatus
• Squalicorax
  • †
    Squalicorax falcatus
• Squalus
• †Stramentum
  • †Stramentum haworthi

• 

  †Styxosaurus
  • †
    Styxosaurus browni
  • †
    Styxosaurus snowii
    – type locality for species
• †Syncyclonema
  • †Syncyclonema halli

T

• †Tancredia
  • †Tancredia americana
• †Tarrantoceras
  • †Tarrantoceras flexicostatum – or unidentified comparable form
• †Tatankaceratops – type locality for genus
  • †
    Tatankaceratops sacrisonorum
    – type locality for species
• †Taxodiaceaepollenites
• Taxodium
  • †Taxodium olrikii
• †Tellinimera
  • †Tellinimera scitula
• †Tenuipteria
  • †Tenuipteria fibrosa

• 

  †Thescelosaurus
  • †
    Thescelosaurus neglectus
• †Thespesius – type locality for genus
  • †
    Thespesius occidentalis
    – type locality for species
• †Torosaurus
  • †
    Torosaurus latus
• †Toxochelys
  • †
    Toxochelys latiremis
• †Trachodon
• †Trachybaculites
  • †Trachybaculites columna
• †Tragodesmoceras
  • †
    Tragodesmoceras carlilense
  • †
    Tragodesmoceras carlilensis
• †Triceratops
  • †
    Triceratops horridus
• †Trochodendroides
  • †Trochodendroides nebrascensis
• †Tylosaurus
  • †
    Tylosaurus proriger

• 

  †Tyrannosaurus
  • †
    Tyrannosaurus rex

V

• †Vanikoropsis
  • †Vanikoropsis nebrascensis
• †Viburnites
  • †Viburnites Evansanus

• 

  Viviparus

W

• †Willimactra

Y

• †Yezoites
• Yoldia
  • †Yoldia lacrima
  • †Yoldia rectangularis

Z

• Ziziphus
  • †Ziziphus fibrillosus

References

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