List of the Mesozoic life of South Dakota
From Wikipedia, the free encyclopedia
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
- †Allosaurus
Restorative model of the Late Cretaceous mammal Alphadon - †Amesoneuron
- †Amesoneuron FU37 – informal
- †Anatotitan
- †Anisomyon
- †Anomia
- †Anomia gryphorhyncha
- †Antillocaprina
- †Anzu – type locality for genus
- †Anzu wyliei – type locality for species
- †Apatosaurus
- †Araucarioxylon
- †Araucarioxylon hoppertonae – type locality for species
Mounted fossilized skeleton of the Late Cretaceous sea turtle Archelon - †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
Fossilized shell of the Late Cretaceous ammonoid cephalopod Baculites - †Bananogmius
- †Bananogmius evolutus
- †Baptornis
- †Baptornis varneri – type locality for species
Restoration of the Late Jurassic sauropod dinosaur Barosaurus rearing to defend itself against a pair of the theropod Allosaurus - †Barosaurus lentus – type locality for species
- †Basilemys
- †Basilemys sinuosa
- †Belemnitella
- Beryx – or unidentified related form
- †Binneyites
- †Binneyites carlilensis
- †Bisonia
- †Bisonia niemii
- †Bolodon
- †Bolodon hydei – type locality for species
- †Borealosuchus
- †Borissiakoceras – tentative report
- Brachidontes
Life restoration of the Late Cretaceous Alligator relative Brachychampsa - †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
Life restoration of a herd of the Late Jurassic sauropod dinosaur 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
Life restoration of the Late Cretaceous-Eocene choristoderan reptile Champsosaurus - †Cimexomys
- †Cimolodon
- †Cimolomys
- †Cissites
- †Cissites ingens
- †Cissites salisburiaefolius
- †Claibornites
- †Claibornites cedrensis
- †Claosaurus
- †Claosaurus affinis – type locality for species
- †Clavipholas
Life restoration of the Late Cretaceous mosasaurid Clidastes - †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
- Corbula
- †Corbula crassimarginata
- †Corbulamella
- †Corbulamella gregaria
- †Crassatellina
- †Crassatellina hollandi
- †Crenella
- †Cretodus
Fossil of the Early Cretaceous-Eocene shark Cretolamna - †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
Fossil of the Jurassic-Cretaceous cycad relative 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
Restoration of the Late Cretaceous dromaeosaurid ("raptor") Dakotaraptor preying upon an ostrich dinosaur - †Dakotaraptor steini – type locality for species
- †Dakoticancer
- †Dakoticancer overanus
- †Delphodon
- †Delphodon comptus – or unidentified comparable form
- †Desmatochelys
- †Didelphodon
- †Didelphodon vorax – or unidentified comparable form
- †Diplodocus
- †Discoscaphites
- †Discoscaphites conradi
- †Discoscaphites gulosus
- †Discoscaphites rossi – type locality for species
- †Dolichorhynchops
- †Dosiniopsis
- †Dosiniopsis deweyi
- †Drepanochilus
- †Drepanochilus evansi
- †Dryophyllum
- †Dryophyllum subfalcatum
- †Dryophyllum tenneseensis
- †Dunveganoceras
- †Dunveganoceras pondi
E
- †Edmontonia
Life restoration of the Late Cretaceous duck-billed dinosaur Edmontosaurus annectens - †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
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
Life restoration of the Late Cretaceous mosasaur Globidens - †Globidens alabamensis
- †Globidens dakotensis – type locality for species
- †Globidens schurmanni – type locality for species
- †Glossozamites
- †Glossozamites Fontaineanus – type locality for species
- †Glyptops
- Glyptostrobus
- †Goniomya
- †Goniomya americana
Life restoration of the Late Cretaceous tyrannosaur 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
Life restoration of the Late Cretaceous toothed bird 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
Fossilized shell of the Early Jurassic-Late Cretaceous marine bivalve Inoceramus with a human indicating its size - †Inoceramus apicalis
- †Inoceramus ginterensis
- †Inoceramus tenuis – or unidentified related form
- †Inoceramus tenuistriatus – tentative report
- †Ischyodus
- Isurus
J
- †Jeletskytes
- †Jeletskytes nodosus
Fossilized shell of the Late Cretaceous ammonoid cephalopod 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
Fossilized skull of the Late Cretaceous alligator relative Leidyosuchus - †Lemnaceae
- †Lemnaceae scutatum
- †Lepidotes – tentative report
- †Lepidotes lacotanus
- Lepisosteus
- †Lepisosteus occidentalis
- †Leptalestes
- †Leptosolen
- Limopsis
- †Limopsis striatopunctatus
- †Lioplacodes
- †Lucina – tentative report
M
- Malletia
- †Malletia evansi
- †Marmarthia
- †Marmarthia pearsonii
- †Marmarthia trivialis
- †Martinectes
- †Melvius
- †Melvius thomasi
- †Meniscoessus
- †Mesodma
- †Modiolus
- †Modiolus attenuatus – or unidentified related form
- †Modiolus galpinianus
- †Modiolus meeki
Life restoration of two of the Late Cretaceous Mosasaurus - †Mosasaurus missouriensis – type locality for species
- †Myledaphus
N
A living Nelumbo lotus - †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
_01.jpg)
O
- †Opertochasma
- †Opertochasma cuneatum
- †Ophiomorpha
- †Ophiomorpha nodosa
Life restoration of the Late Cretaceous ostrich dinosaur Ornithomimus - †Osmakasaurus
- †Osmakasaurus depressus – type locality for species
- Ostrea
- †Ostrea translucida
- †Otoscaphites
- †Otoscaphites seabeensis
- †Oxytoma
- †Oxytoma nebrascana
![](#/media/File:"Ornithomimus"_sp._by_Tom_Parker.png)
P
Fossilized skeleton of the Late Cretaceous dome-headed dinosaur Pachycephalosaurus - †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
- †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
- †Platanites
- †Platanites marginata
- Platanus
- †Platanus cissoides
Life restoration of the Late Cretaceous mosasaur 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
Fossilized skull of the Late Cretaceous mosasaur Prognathodon - †Prognathodon overtoni – type locality for species
- †Proplacenticeras
- †Proplacenticeras stantoni
- †Protacanthoceras
- †Protacanthoceras proteus
- †Protalphadon
- †Protalphadon lulli – tentative report
- †Protocardia
- †Protocardia subquadrata
- †Protolambda
- †Protolambda florencae
- †Protolambda hatcheri
- †Protosphyraena
- †Protostega
- †Protostega marshii – type locality for species
- †Pseudoptera
- †Pseudoptera subtortuosa
Life restoration of the Late Cretaceous pterosaur Pteranodon - †Ptychodus
- †Ptychodus janewayii
- †Ptychodus occidentalis
.jpg)
Q
R
- †Rhamnus
- †Rhamnus cleburni
- †Rhombopsis
- †Rhombopsis subturritus
Micrograph with magnified inset of a fossilized tooth of the Late Cretaceous theropod dinosaur Richardoestesia
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
- Squalus
- †Stramentum
- †Stramentum haworthi
Animated life restoration of the Late Cretaceous plesiosaur 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
Life restoration of the Late Cretaceous herbivorous dinosaur Thescelosaurus - †Thespesius – type locality for genus
- †Thespesius occidentalis – type locality for species
- †Torosaurus
- †Toxochelys
- †Trachodon
- †Trachybaculites
- †Trachybaculites columna
- †Tragodesmoceras
- †Triceratops
- †Trochodendroides
- †Trochodendroides nebrascensis
- †Tylosaurus
Fossilized skeleton of the Late Cretaceous tyrannosaur Tyrannosaurus
V
W
- †Willimactra
Y
Z
- Ziziphus
- †Ziziphus fibrillosus
