List of the Mesozoic life of Arizona

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

A[]

• †Acaenasuchus – type locality for genus
  • †Acaenasuchus geoffreyi – type locality for species
• †Acallosuchus – type locality for genus
  • †Acallosuchus rectori – type locality for species
• 

  Fossilized shell of the Early Cretaceous ammonoid cephalopod Acanthohoplites
  †Acanthohoplites
  • †Acanthohoplites berkeyi
  • †Acanthohoplites erraticus
  • †Acanthohoplites hesper
  • †Acanthohoplites impetrabilis
  • †Acanthohoplites schucherti
  • †Acanthohoplites teres
• Acila
  • †
• Acirsa
  • † – type locality for species
• Acmaea
• †Acrodus
• † Acteon
  • †
• †
• †Adamanasuchus – type locality for genus
  • †Adamanasuchus eisenhardtae – type locality for species
• †
  • †
• †Adocus
• 

  Fossilized shell of the Late Cretaceous ammonoid cephalopod Allocrioceras
  †Allocrioceras
  • †
• †
  • †
• †
  • †
• †Ammorhynchus – type locality for genus
  • †Ammorhynchus navajoi – type locality for species
• †Anaschisma – report made of unidentified related form or using admittedly obsolete nomenclature
• †
  • †
• †
  • † – type locality for species
• 

  Restoration of the Late Triassic phytosaur Angistorhinus
  †Angistorhinus – tentative report
• †Anisoceras
  • †
• †Anisodontosaurus – type locality for genus
  • † – type locality for species
• †
  • †
• † Anomia
  • †
• †
  • †
• †Apachesaurus
  • †Apachesaurus gregorii
• †Apatosaurus
• †
  • † – or unidentified comparable form
• 

  Petrified trunk segments of the Permian-Late Triassic conifer tree Araucarioxylon arizonicum. This species is the state fossil of Arizona
  †Araucarioxylon
  • †Araucarioxylon arizonicum
• † Arca
• – or unidentified comparable form
  • † – informal
• Arctica
• †Arganodus
• †
  • †
• †Arizonasaurus – type locality for genus
  • †Arizonasaurus babbitti – type locality for species
• Astarte
  • †
• †Australosomus – or unidentified comparable form

B[]

• 

  Fossilized shell of the Late Cretaceous ammonoid cephalopod Baculites
  †Baculites
  • †Baculites calamus
• Barbatia
  • †
• †
• †
  • †
• †
  • †
  • † – or unidentified comparable form
• †Beudanticeras
  • †
• 

  Fossil slab and counterslab of the bony fish Boreosomus
  †Boreosomus – tentative report
• †
• †
  • †
• • †
• †
• † – or unidentified comparable form
• † – tentative report
• †
  • †
  • †

C[]

• Cadulus
  • †
• †Calamites
• †Calamophylliopsis
  • †
• †Calsoyasuchus – type locality for genus
  • †Calsoyasuchus valliceps – type locality for species
• †Calycoceras
  • †
• †Calyptosuchus
  • †Calyptosuchus wellesi
• 

  Restoration of the Late Triassic theropod dinosaur Camposaurus
  †Camposaurus – type locality for genus
  • †Camposaurus arizonensis – type locality for species
• †
  • † – informal
  • † – informal
  • †
• †Caprina
• †
  • †
• Carota
  • †
• Caryocorbula
  • †
• 

  Life restoration of the Late Triassic-Eocene lungfish Ceratodus
  †Ceratodus
• †
  • † – type locality for species
  • †
• Cerithiopsis
  • † – type locality for species
• Charonia – tentative report
  • †
  • † – type locality for species
• †Chatterjeea
• †Chindesaurus – type locality for genus
  • †Chindesaurus bryansmalli – type locality for species
• 

  Restoration of the Late Triassic coelacanth fish Chinlea
  †Chinlea – tentative report
• †Chirotherium
  • †Chirotherium barthii
  • †Chirotherium rex – type locality for species
  • †Chirotherium sickleri
• Chlamys
  • †
• †
  • † – or unidentified comparable form
• †
• †Cibolaites
  • †
• †
• † – or unidentified comparable form
• †
  • †
• †Coelophysis
  • 

    Life restoration of Coelophysis kayentakatae
    †Coelophysis kayentakatae – type locality for species
• †Collignoniceras
  • † – or unidentified related form
  • †Collignoniceras woollgari
• †Colognathus
  • †
• † – tentative report
  • †
• Corbula
  • †
• †Cosgriffius – type locality for genus
  • † – type locality for species
• †
  • †
• †Craniscus
  • † – type locality for species
• 

  Fossilized shell of the Cretaceous-modern oyster Crassostrea
  Crassostrea
  • †
• †Crosbysaurus
  • †Crosbysaurus harrisae
• Cucullaea
  • †
  • †
• †Cunningtoniceras
  • †
• Cuspidaria
  • †
• †
  • †
• †Cyclothyris
  • † – type locality for species
• Cylichna
• †
  • †
• †
  • †
  • †
  • †
• †
  • †

D[]

• †
  • †
• †
  • † – type locality for species
• † Dentalium
• † – tentative report
  • †
• †Desmatochelys
  • †Desmatochelys lowi
• †Desmatosuchus
  • †Desmatosuchus haplocerus
  • †Desmatosuchus spurensis
• †Dilophosauripus – type locality for genus
  • † – type locality for species
• 

  Life restoration of the Early Jurassic theropod dinosaur Dilophosaurus resting
  †Dilophosaurus
  • †Dilophosaurus wetherilli – type locality for species
• †Dinnebitodon – type locality for genus
  • †Dinnebitodon amarali – type locality for species
• †Dinnetherium – type locality for genus
  • †Dinnetherium nezorum – type locality for species
• Discinisca
• †Dolicholatirus – tentative report
• †
  • †
• †
  • †
• 

  Restoration of the Late Triassic dinosaur relative Dromomeron
  †Dromomeron
  • †Dromomeron gregorii
• †Dufrenoyia
  • †Dufrenoyia compitalis
  • †Dufrenoyia joserita
  • †Dufrenoyia justinae

E[]

• †Edentosuchus – tentative report
  • † – informal
  • † – informal
  • † – informal
• Elliptio
• †
  • †
• † – tentative report
• †Eocaecilia – type locality for genus
  • †Eocaecilia micropodia – type locality for species
• 

  Restoration of the Middle Triassic amphibian Eocyclotosaurus
  †Eocyclotosaurus
  • † – type locality for species
• †Eopneumatosuchus – type locality for genus
  • †Eopneumatosuchus colberti – type locality for species
• †Eucalycoceras
  • †
• †Eulima – tentative report
  • †
• †Eunaticina
  • †
• †Euomphaloceras
  • †
  • †
• †Euspira
  • †
  • † – type locality for species
• †Exogyra
  • †Exogyra acroumbonata
  • †Exogyra lancha
  • †Exogyra levis
  • †Exogyra olisiponensis

F[]

• 

  Fossilized shell of the Late Cretaceous ammonoid cephalopod Fagesia
  †Fagesia
  • †
• †
• †
  • †
• †
  • †

G[]

• †
  • † – type locality for species
  • †
• 

  Fossilized shell of the Carboniferous-Eocene bivalve Gervillia
  †Gervillia
  • †Gervillia cholla
  • †Gervillia heinemani
  • †Gervillia navajovus – type locality for species
  • †Gervillia rasori
• Ginkgo
• †Grallator
  • †Grallator cursorius
• †
  • †
• †
  • †
• † – tentative report
• 

  Interior and exterior of a fossilized shell of the Late Triassic-Eocene marine bivalve Gryphaea
  †Gryphaea
• †
  • † – type locality for species
  • † – type locality for species
• • †
  • †
  • † – or unidentified comparable form
• †Gyrolepis
• †
  • † – type locality for species

H[]

• 

  Fossilized skull of the Middle Triassic amphibian Hadrokkosaurus
  †Hadrokkosaurus – type locality for genus
  • †Hadrokkosaurus bradyi – type locality for species
• †Hamites
  • †
• †Hamulus
• • † – or unidentified comparable form
• †Hesperosuchus – type locality for genus
  • †Hesperosuchus agilis – type locality for species
• Homarus
• †Hopiichnus – type locality for genus
  • † – type locality for species
• †Hybodus

I[]

• †
  • †
• 

  Fossilized shell of the Early Jurassic-Late Cretaceous marine bivalve Inoceramus with a human indicating its size
  †Inoceramus
  • †Inoceramus corpulentas
  • †Inoceramus dimidius – or unidentified comparable form
  • †Inoceramus flavus
  • †Inoceramus heinzi – or unidentified related form
  • †Inoceramus lamarcki
  • †Inoceramus nodai
  • †Inoceramus pictus
  • † – tentative report
• †
  • † – type locality for species
  • †

K[]

• †Kamerunoceras
  • †
• 

  Restoration of the Early Jurassic turtle Kayentachelys
  †Kayentachelys – type locality for genus
  • †Kayentachelys aprix – type locality for species
• †Kayentapus – type locality for genus
  • †Kayentapus hopii – type locality for species
• †Kayentasuchus – type locality for genus
  • †Kayentasuchus walkeri – type locality for species
• †Kayentatherium – type locality for genus
  • †Kayentatherium wellesi – type locality for species
• 

  Life restoration of the Early Jurassic theropod dinosaur Kayentavenator
  †Kayentavenator – type locality for genus
  • † – type locality for species
• †
  • †
• †Koskinonodon
  • †
• † – probable lapsus calami of Kouphichnium^{[citation needed]}
• †Kraterokheirodon – type locality for genus
  • † – type locality for species
• †

L[]

• † – or unidentified comparable form
• Laternula
  • †
• †
  • † – or unidentified comparable form
• Lepisosteus
• 

  Fossilized skull of the Late Triassic phytosaur Leptosuchus
  †Leptosuchus
  • †Leptosuchus crosbiensis
• †
  • †
  • † – tentative report
  • † – or unidentified comparable form
• Lima
  • †
  • †
  • †
  • †
• Limatula
  • †
• †Linearis
  • †
  • †
• † Lingula
  • †
• †
  • †
• 

  Electron micrograph of fossilized teeth from the Early Jurassic-Early Cretaceous freshwater shark Lissodus
  †Lissodus – tentative report
• †
• Lithophaga
• †Lonchidion
  • †
• †
• Lopha
  • †
  • †
• † Lucina
  • †
• 

  A living Lunatia moon sea snail
  Lunatia – tentative report
• †
  • †

M[]

• 

  Fossilized skull of the Late Triassic phytosaur Machaeroprosopus
  †Machaeroprosopus – type locality for genus
  • †Machaeroprosopus buceros
  • †Machaeroprosopus jablonskiae – type locality for species
  • †Machaeroprosopus mccauleyi – type locality for species
  • †Machaeroprosopus pristinus – type locality for species
  • †Machaeroprosopus tenuis – type locality for species
  • †Machaeroprosopus validus – type locality for species
• †
  • † – type locality for species
• †Mammites
  • †
• †
  • † – type locality for species
• † – tentative report
  • †
• †
• †Megalosauripus
• †Melvius
• Membranipora – or unidentified comparable form
• †
• †Mesostoma
• †
  • †
• †Metoicoceras
  • †Metoicoceras geslinianum
  • †Metoicoceras mosbyense
• 

  Life restoration of the Late Triassic amphibian Metoposaurus with an anachronistic human to scale
  †Metoposaurus
  • † – type locality for species
• †
  • †
• † Modiolus
  • † – or unidentified comparable form
  • †
  • † – type locality for species
• †Moenkopia – type locality for genus
  • † – type locality for species
• †Monopleura
  • † – or unidentified comparable form
• †
  • †
• 

  Life restoration of the Late Triassic-Middle Jurassic synapsid (mammal precursor) Morganucodon
  †Morganucodon
• †Morrowites
• †
  • †
  • † – or unidentified related form
  • †
  • †
  • †
  • † – or unidentified comparable form
  • †
  • †
  • †
• † Mytilus – tentative report

N[]

• †
  • †
• †Navahopus – type locality for genus
  • † – type locality for species
• †Neithea
  • †
• †
• †Neocardioceras
  • †Neocardioceras juddii
  • †Neocardioceras minutum
• †Neoptychites
  • †
• 

  Fossilized shell of the Jurassic-Cretaceous sea snail Nerinea
  †Nerinea
• Nerita
  • †
• Neritina
  • †
• †
  • † – or unidentified comparable form
• Nucula
  • †
• Nuculana
  • †

O[]

• † – type locality for genus
  • †
• 

  Restoration of the Late Triassic–Early Jurassic synapsid (mammal precursor) Oligokyphus
  †Oligokyphus
• †Opis
  • †
• †
  • †
• Ostrea
  • †
  • †
• †Oxytoma
  • † – type locality for species

P[]

• †Pachyrhizodus – or unidentified comparable form
• †
  • † – type locality for species
• †
  • †
• †
  • †
• 

  Life restoration of the Late Triassic phytosaur Parasuchus
  †Parasuchus
• †Paratypothorax
• †
• †
• †Parrishia – type locality for genus
  • † – type locality for species
• • †
• † Pecten
  • †
• †
  • †
• †Permocalculus
• Petrophyllia
  • †
• †
  • †
• †
  • † – informal
  • † – informal
  • † – informal
  • †
  • † – informal
  • † – informal
  • †
  • †
• †
• Pholadomya
  • †
• Physa
  • † – or unidentified comparable form
• † Pinna
  • † – type locality for species
  • †
• †
• †Placenticeras
  • †Placenticeras cumminsi
• 

  Restoration of the Late Triassic synapsid (mammal precursor) Placerias with an anachronistic human to scale
  †Placerias – type locality for genus
  • †Placerias hesternus – type locality for species
• †
• † – tentative report
• † – tentative report
• †
  • †
• Plicatula
  • †
  • †
• † – tentative report
• Polydora – tentative report
• †
  • †
• †
• 

  Restoration of the Late Triassic crocodile relative Poposaurus with an anachronistic human to scale
  †Poposaurus
  • †Poposaurus gracilis
• • † – type locality for species
• †Postosuchus
  • †Postosuchus kirkpatricki
• †Pravusuchus
  • †Pravusuchus hortus
• †
  • †
  • †
• †
• 

  Life restoration of the Early Jurassic frog Prosalirus
  †Prosalirus – type locality for genus
  • †Prosalirus bitis – type locality for species
• † – tentative report
• †Protome – type locality for genus
  • †Protome batalaria – type locality for species
• †Protosuchus – type locality for genus
  • †Protosuchus richardsoni – type locality for species
• †
  • †
  • †
• †
  • †
• †Pseudoperna
  • †
  • †
• †
  • †
• †
  • †
• †
  • †
  • †
  • †
• †
  • †
• †Pteraichnus – type locality for genus
  • †Pteraichnus saltwashensis – type locality for species
• †
  • †
  • †
• Pycnodonte
  • † – tentative report
  • †Pycnodonte kellumi – or unidentified related form
  • †Pycnodonte newberryi
• †
  • †
• †Pyncnodonte
  • † – or unidentified related form
  • †
• †
  • †
• †
  • † – or unidentified comparable form
  • † – type locality for species

Q[]

• †Quasicyclotosaurus – type locality for genus
  • †Quasicyclotosaurus campi – type locality for species
• †Quitmaniceras
  • † – or unidentified comparable form

R[]

• †Radiolites
• – or unidentified comparable form
• †
  • † – type locality for species
• † – type locality for genus
  • † – type locality for species
• 

  Life restoration of the Late Triassic crocodile relative Revueltosaurus
  †Revueltosaurus
  • †Revueltosaurus callenderi
  • †Revueltosaurus hunti
• †Rhadalognathus – type locality for genus
  • † – type locality for species
• †Rhamphinion – type locality for genus
  • †Rhamphinion jenkinsi – type locality for species
• † – tentative report
  • †
• †
  • †
• †
  • †
• 

  A living Ringicula sea snail
  Ringicula
  • †
• †Rioarribasuchus
  • †Rioarribasuchus chamaensis
• Rostellaria
  • † – tentative report
• † – type locality for genus
  • † – type locality for species
  • † – type locality for species
• †
  • †
• 

  Fossilized skeleton of the Late Triassic phytosaur Rutiodon
  †Rutiodon

S[]

• 

  Illustration in multiple views of the fossilized skull of the Early Jurassic sauropodomorph dinosaur Sarahsaurus
  †Sarahsaurus – type locality for genus
  • †Sarahsaurus aurifontanalis – type locality for species
• – tentative report
• †Scaphites
  • †
• †
  • †
• †Scutarx – type locality for genus
  • †Scutarx deltatylus – type locality for species
• †Scutellosaurus – type locality for genus
  • †Scutellosaurus lawleri – type locality for species
• †Segisaurus – type locality for genus
  • †Segisaurus halli – type locality for species
• †Selaginella
  • † – type locality for species
• 

  Fossilized skeleton of the Late Triassic-Early Jurassic bony fish Semionotus
  †Semionotus – or unidentified comparable form
• †Senis
  • †
• †
  • † – tentative report
• Serpula
  • †
  • †
  • †
• †Shuvosaurus
  • †Shuvosaurus inexpectatus
• †
  • †
• †Smilosuchus – type locality for genus
  • †Smilosuchus adamanensis – type locality for species
  • †Smilosuchus gregorii – type locality for species
  • †Smilosuchus lithodendrorum – type locality for species
• Solemya
  • †
• 

  Life restoration of the Early-Late Cretaceous brachiosaur Sonorasaurus
  †Sonorasaurus – type locality for genus
  • †Sonorasaurus thompsoni – type locality for species
• †
  • †
• Spirorbis
• Squilla – tentative report
• †Stagonolepis
• †Stanocephalosaurus – type locality for genus
  • †Stanocephalosaurus birdi – type locality for species
  • † – informal
• †
  • †
• †
• †
• †
  • †
• †
  • † – type locality for species
  • † – type locality for species
• †
  • †
• † Syntarsus

T[]

• †Tanytrachelos
• †Tecovasaurus
  • †Tecovasaurus murryi
• †Tecovasuchus
  • †Tecovasuchus chatterjeei
• † – tentative report
  • †
• Tellina
  • † – type locality for species
• †Tenea
• 

  Life restoration of the Early Cretaceous Iguanodon relative Tenontosaurus
  †Tenontosaurus
• †
• † – type locality for genus
  • † – type locality for species
• †Thomasites
  • † – or unidentified comparable form
• †
  • †
• †Tragodesmoceras
  • †
  • †
• † – or unidentified comparable form
  • †
• †Trigonia
  • †Trigonia aliformis - or unidentified loosely related form
  • †Trigonia cragini
  • †Trigonia guildi
  • †Trigonia kitchini
  • †Trigonia mearnsi
  • †Trigonia reesidei
  • †Trigonia resoluta
  • †Trigonia saavedra
  • †Trigonia stolleyi
  • †Trigonia weaveri
• 

  Restoration of the Late Triassic reptile Trilophosaurus with an anachronistic human to scale
  †Trilophosaurus
  • †Trilophosaurus buettneri
  • †Trilophosaurus jacobsi – type locality for species
• †Triodus
  • †
• Turritella
  • † – informal
  • † – informal
  • † – type locality for species
  • † – type locality for species
  • † – type locality for species
  • †
• †
  • † – or unidentified comparable form
• 

  Restoration of a pair of the Late Triassic aetosaur Typothorax
  †Typothorax
  • †Typothorax coccinarum

U[]

• †Uatchitodon
  • †Uatchitodon schneideri
• †
• Unio

V[]

• 

  Life restoration of the Late Triassic reptile Vancleavea
  †Vancleavea – type locality for genus
  • †Vancleavea campi – type locality for species
• †Vascoceras

• • †
• †
  • †
  • †
• † Vigilius
  • †Vigilius wellesi
• Viviparus
• †
  • †

W[]

• †Watinoceras
  • †Watinoceras coloradoense
  • †Watinoceras devonense
  • †Watinoceras hattini
  • †Watinoceras praecursor – or unidentified comparable form
  • †
• †
• †Wellesaurus
  • †Wellesaurus peabodyi – type locality for species
• †
  • †
  • †

Y[]

• †Yezoites
  • †

References[]

• Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 7 August 2017.