This list of the Mesozoic life of Arkansas contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Arkansas and are between 252.17 and 66 million years of age.
A
- †Acutostrea
- †Acutostrea plumosa
- †Aechmella
- †Aechmella ozanensis – type locality for species
- Alderina
- †Alderina inuber – type locality for species
- †Ambigostrea
- †Ambigostrea tecticosta
- †Anchura
Interior and exterior of a shell of an Anomia, or jingle shell - †Anomia argentaria
- †Anomia texana
- †Aphrodina
- †Aphrodina tippana
- †Atreta
B
- †Baculites
- †Baculites crickmayi
- †Baculites ovatus
- †Baculites reduncus
- †Baculites taylorensis
- †Baculites undatus
- †Bellifusus
- †Bellifusus spinosus
- Botula
Fossil of the sauropod dinosaur footprint ichnogenus Brontopodus - †Brontopodus birdi
- †Buccinopsis
- †Buccinopsis solida
C
- Cadulus
- †Cadulus obnutus
- Caestocorbula
- †Camptonectes
- †Camptonectes bubonis
- †Cardiaster
- †Cardiaster deciper – type locality for species
A living Caryophyllia solitary coral - †Caryophyllia konincki
- †Castanopora
- †Castanopora spooneri
- †Chedighaii – type locality for genus
- †Chedighaii barberi – type locality for species
- †Cheethamia – type locality for genus
- †Cheethamia howei – type locality for species
- †Cirroceras
- †Cirroceras conradi
- †Classopollis
- †Classostrobus
- †Classostrobus arkansensis
- Cliona
- Corbicula
- †Corbicula arkansensis
- Crassatella
- †Crassatella vadosa
- †Crenella
Shell of a Cucullaea, or false ark shell - Cylichna
- †Cymella
- †Cymella bella
- †Cyprimeria
- †Cyprimeria alta
- †Cyprimeria coonensis
D
- †Dentalium
- †Desmophyllites
- †Desmophyllites diphylloides
- †Dhondtichlamys
- †Dhondtichlamys venustus
- †Diacanthopora
- †Diacanthopora langi – type locality for species
- †Didymoceras
- †Didymoceras binodosum
- †Didymoceras clardyi
- †Didymoceras cochleatum
- †Didymoceras donezianum
- †Didymoceras draconis
- †Didymoceras mortoni
- †Didymoceras platycostatum
- †Didymoceras tortum
- †Dionella
- †Dionella racemata – type locality for species
- †Dionella vivistratensis – type locality for species
Fossilized shell of the Late Cretaceous ammonoid cephalopod Discoscaphites - †Douvilleiceras
E
- †Echinocorys
- †Echinocorys texanus
- Ellisina
- †Ellisina saratogaensis – type locality for species
- †Escharoides – tentative report
- †Escharoides danei – type locality for species
- †Escharoides erymnos – type locality for species
- †Eutrephoceras
Interior of a fossilized shell of the Jurassic-Cretaceous foam oyster Exogyra
F
- †Flemingostrea
- †Flemingostrea subspatula
- †Frurionella
- †Frurionella parvipora
G
Fossilized shell of the Cretaceous ammonoid cephalopod Gaudryceras - †Granocardium
- †Granocardium bowenae
- †Granocardium tholi
- †Gryphaeostrea
- †Gryphaeostrea vomer
H
- Hemiaster
- †Hemiaster humphreysanus
- †Hemiaster wetherbyi
- †Heminautilus
- †Heminautilus stantoni – type locality for species
Fossilized shell of the Late Cretaceous ammonoid cephalopod Hoploscaphites - †Hoploscaphites pumilis
I
Fossilized shell of the Early Jurassic-Late Cretaceous marine bivalve Inoceramus with a human indicating its size - †Isomicraster
- †Isomicraster danei – type locality for species
J
Fossilized shell of the Late Cretaceous ammonoid cephalopod Jeletzkytes
L
M
- Malletia
- †Malletia longfrons
- †Malletia longifrons
- †Mathilda
- †Mathilda ripleyana – or unidentified related form
- †Menuites
- †Menuites portlocki – or unidentified comparable form
- †Micrabacia
- †Micrabacia arkansasensis – type locality for species
Fossilized shell of the Late Cretaceous-Paleogene sea urchin Micraster - †Micraster americanus
- Micropora – tentative report
N
- †Naomichelys
- †Neancyloceras
- †Neancyloceras bipunctatum – or unidentified comparable form
Restoration of several species of the Late Cretaceous ammonoid cephalopod Nostoceras - †Nostoceras approximans
- †Nostoceras archiacianum
- †Nostoceras arkansanum
- †Nostoceras colubriformis
- †Nostoceras helicinus
- †Nostoceras hyatti
- †Nostoceras multituberculatum
- †Nostoceras pauper
- †Nostoceras plerucostatum
- †Nostoceras pulcher
- Nuculana
- †Nuculana whitfieldi
O
- †Oxybeloceras
- †Oxybeloceras crassum
P
- †Pachydiscus
- †Pachydiscus arkansanus
- Panopea
- †Panopea subplicata
- †Placenticeras
Restoration of the Late Cretaceous mosasaur Platecarpus - †Pleuriocardia
- †Prionochelys – type locality for genus
- †Prionochelys nauta – type locality for species
- †Protocardia
- †Protocardia spillmani
- †Pseudofrenelopsis
- †Pseudofrenelopsis parceramosa
- †Pseudokossmaticeras
- †Pseudokossmaticeras galicianum
- †Pseudophyllites
- †Pseudosaynella
- †Pseudosaynella fimbriata – type locality for species
- †Pseudosaynella walcotti
- †Pteria
- †Pterotrigonia
- Pulvinites
- †Pulvinites argenteus
- Pycnodonte
- †Pycnodonte vesiculare
- †Pycnodonte vesicularis
- †Pyropsis
R
- Ramphonotus
- †Ramphonotus pedunculatus – type locality for species
S
- Serpula
- †Solenoceras
- †Solenoceras texanum – or unidentified comparable form
- †Solenophragma
- †Solenophragma elongatum – type locality for species
- †Solenophragma ovatum
- †Sphenodiscus
Shell of a Spondylus, or spiny oyster - †Stictostega – type locality for genus
- †Stictostega durhami – type locality for species
- Striarca
- †Striaticostatum
- †Stylina
- †Stylina arkansasensis – type locality for species
- †Syncyclonema
- †Syncyclonema simplicius
- †Syncyclonema travisanus
T
- †Tenea
- †Tenea parilis
- †Thamnasteria
- †Thamnasteria imlayi – type locality for species
Mounted fossilized skeleton of the Late Cretaceous sea turtle Toxochelys - †Toxochelys latiremis – type locality for species
- Trachycardium
- †Trachyscaphites
- †Trachyscaphites redbirdensis
- †Tricephalopora
- †Tricephalopora arkansasensis – type locality for species
- †Tricephalopora larwoodi – type locality for species
- Turritella
U
- †Uhligella – tentative report
V
- †Veniella
- †Veniella conradi
Z
- Zangerlchelys
- †Zangerlchelys arkansaw – type locality for species
References
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.
This page was last edited on 12 February 2024, at 18:25