1. A

2. B

3. C

4. D

5. E

6. F

7. G

8. H

9. I

10. K

11. L

12. M

13. N

14. O

15. P

16. Q

17. R

18. S

19. T

20. U

21. V

22. W

23. Y

24. References

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
• †Acanthohoplites
  • †Acanthohoplites berkeyi
  • †Acanthohoplites erraticus
  • †Acanthohoplites hesper
  • †Acanthohoplites impetrabilis
  • †Acanthohoplites schucherti
  • †Acanthohoplites teres
• Acila
  • †Acila schencki
• Acirsa
  • †Acirsa kelseyi – type locality for species
• Acmaea
• †Acrodus
• †Acteon
  • †Acteon propinguis
• †Actinastrea
• †Adamanasuchus – type locality for genus
  • †Adamanasuchus eisenhardtae – type locality for species
• †Admetopsis
  • †Admetopsis subfusiformis
• {{multiple image

}} †Adocus

• †Allocrioceras
  • †Allocrioceras annulatum
• †Alzadites
  • †Alzadites incomptus
• †Ambrosea
  • †Ambrosea nitida
• †Ammorhynchus – type locality for genus
  • †Ammorhynchus navajoi – type locality for species
• †Anaschisma – report made of unidentified related form or using admittedly obsolete nomenclature
• †Anatimya
  • †Anatimya virgata
• †Anchura
  • †Anchura hopii – type locality for species
• †Angistorhinus – tentative report
• †Anisoceras
  • †Anisoceras coloradoense
• †Anisodontosaurus – type locality for genus
  • †Anisodontosaurus greeri – type locality for species
• †Anisomyon
  • †Anisomyon spp.
• †Anomia
  • †Anomia ponticulana
• †Antediplodon
  • †Antediplodon dockumensis
• †Apachesaurus
  • †Apachesaurus gregorii
• {{multiple image

}} †Apatosaurus

• †Aphrodina
  • †Aphrodina munda – or unidentified comparable form
• †Araucarioxylon
  • †Araucarioxylon arizonicum
• †Arca
• Arcopagia – or unidentified comparable form
  • †Arcopagia A – informal
• Arctica
• †Arganodus
• †Aricycas
  • †Aricycas paulae
• †Arizonasaurus – type locality for genus
  • †Arizonasaurus babbitti – type locality for species
• Astarte
  • †Astarte adkinsi
• †Australosomus – or unidentified comparable form

B

• †Baculites
  • †Baculites calamus
• Barbatia
  • †Barbatia tramitensis
• †Barrancapus
• †Batrachopus
  • †Batrachopus deweyi
• †Bellifusus
  • †Bellifusus gracilistriatus
  • †Bellifusus willistoni – or unidentified comparable form
• †Beudanticeras
  • †Beudanticeras victoris
• †Boreosomus – tentative report
• †Borissiakoceras
• †Borrissiakoceras
  • †Borrissiakoceras orbiculatum
• Brachiodontes
  • †Brachiodontes filisculptus
• †Brachychirotherium
• †Brasilichnium – or unidentified comparable form
• †Breviarca – tentative report
• †Burroceras
  • †Burroceras clydense
  • †Burroceras transitorium

C

• Cadulus
  • †Cadulus praetenuis
• †Calamites
• †Calamophylliopsis
  • †Calamophylliopsis sandbergeri
• †Calsoyasuchus – type locality for genus
  • †Calsoyasuchus valliceps – type locality for species
• {{multiple image

}} †Calycoceras

• †Calycoceras naviculare

• †Calyptosuchus
  • †Calyptosuchus wellesi
• †Camposaurus – type locality for genus
  • †Camposaurus arizonensis – type locality for species
• †Camptonectes
  • †Camptonectes A – informal
  • †Camptonectes B – informal
  • †Camptonectes platessa
• †Caprina
• †Caprinuloidea
  • †Caprinuloidea gracilis
• Carota
  • †Carota dalli
• Caryocorbula
  • †Caryocorbula nematophora
• †Ceratodus
• †Cerithioderma
  • †Cerithioderma darcyi – type locality for species
  • †Cerithioderma occidentalis
• Cerithiopsis
  • †Cerithiopsis sohli – type locality for species
• Charonia – tentative report
  • †Charonia kanabense
  • †Charonia soozi – type locality for species
• †Chatterjeea
• {{multiple image

}} †Chindesaurus – type locality for genus

• †Chindesaurus bryansmalli – type locality for species

• †Chinlea – tentative report
• †Chirotherium
  • †Chirotherium barthii
  • †Chirotherium rex – type locality for species
  • †Chirotherium sickleri
• Chlamys
  • †Chlamys thompsoni
• †Choffaticeras
  • †Choffaticeras pavillieri – or unidentified comparable form
• †Chondrodonta
• †Cibolaites
  • †Cibolaites molenaari
• †Cionichthyes
• †Cionichthys – or unidentified comparable form
• †Coalcomana
  • †Coalcomana ramosa
• †Coelophysis
  • {{multiple image

}} †Coelophysis kayentakatae – type locality for species

• †Collignoniceras
  • †Collignoniceras carolinum – or unidentified related form
  • †Collignoniceras woollgari
• †Colognathus
  • †Colognathus obscurus
• †Colombiceras – tentative report
  • †Colombiceras brumale
• Corbula
  • †Corbula kanabensis
• †Cosgriffius – type locality for genus
  • †Cosgriffius campi – type locality for species
• †Craginia
  • †Craginia turriformis
• †Craniscus
  • †Craniscus hesperius – type locality for species
• Crassatella
• Crassostrea
  • †Crassostrea soleniscus
• †Crosbysaurus
  • †Crosbysaurus harrisae
• Cucullaea
  • †Cucullaea depressa
  • †Cucullaea stephensoni
• †Cunningtoniceras
  • †Cunningtoniceras novimexicanum
• Cuspidaria
  • †Cuspidaria alaeformis
• †Cyclorisma
  • †Cyclorisma orbiculata
• †Cyclothyris
  • †Cyclothyris americana – type locality for species
• Cylichna
• †Cylinodrotruncatum
  • †Cylinodrotruncatum spp.
• †Cymbophora
  • †Cymbophora emmonsi
  • †Cymbophora huerfanensis
  • †Cymbophora utahensis
• †Cyprimeria
  • †Cyprimeria cyprimeriformis

D

• †Dakotacorbula
  • †Dakotacorbula senecta
• †Dechellyia
  • †Dechellyia gormani – type locality for species
• †Dentalium
• †Deshayesites – tentative report
  • †Deshayesites butleri
• †Desmatochelys
  • †Desmatochelys lowi
• {{multiple image

}} †Desmatosuchus

• †Desmatosuchus haplocerus
• †Desmatosuchus spurensis

• †Dilophosauripus – type locality for genus
  • †Dilophosauripus williamsi – type locality for species
• †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
• †Drepanocheilus
  • †Drepanocheilus ruidium
• †Drepanochilus
  • †Drepanochilus ruidium
• †Dromomeron
  • †Dromomeron gregorii
• †Dufrenoyia
  • †Dufrenoyia compitalis
  • †Dufrenoyia joserita
  • †Dufrenoyia justinae

E

• †Edentosuchus – tentative report
  • †Edentosuchus undescribed species – informal
  • †Edentosuchus undescribed species 1 – informal
  • †Edentosuchus undescribed species 2 – informal
• Elliptio
• †Entolium
  • †Entolium gregarium
• †Eoacteon – tentative report
• {{multiple image

}} †Eocaecilia – type locality for genus

• †Eocaecilia micropodia – type locality for species

• †Eocyclotosaurus
  • †Eocyclotosaurus wellesi – type locality for species
• †Eopneumatosuchus – type locality for genus
  • †Eopneumatosuchus colberti – type locality for species
• †Eucalycoceras
  • †Eucalycoceras pentagonum
• †Eulima – tentative report
  • †Eulima funicula
• †Eunaticina
  • †Eunaticina textilis
• †Euomphaloceras
  • †Euomphaloceras irregulare
  • †Euomphaloceras septemseriatum
• †Euspira
  • †Euspira concinna
  • †Euspira stantoni – type locality for species
• †Exogyra
  • †Exogyra acroumbonata
  • †Exogyra lancha
  • †Exogyra levis
  • †Exogyra olisiponensis

F

• †Fagesia
  • †Fagesia catinus
• †Felixigyra
• †Flemingostrea
  • †Flemingostrea prudentia
• †Fulpia
  • †Fulpia pinguis

G

• †Gemmarcula
  • †Gemmarcula arizonensis – type locality for species
  • †Gemmarcula menardi
• {{multiple image

}} †Gervillia

• †Gervillia cholla
• †Gervillia heinemani
• †Gervillia navajovus – type locality for species
• †Gervillia rasori

• Ginkgo
• †Grallator
  • †Grallator cursorius
• †Granocardium
  • †Granocardium trite
• †Graphidula
  • †Graphidula walcotti
• †Gregania – tentative report
• †Gryphaea
• †Gryphaeostrea
  • †Gryphaeostrea elderi – type locality for species
  • †Gryphaeostrea nationsi – type locality for species
• Gyrodes
  • †Gyrodes conradi
  • †Gyrodes depressa
  • †Gyrodes tramitensis – or unidentified comparable form
• †Gyrolepis
• †Gyrotropis
  • †Gyrotropis nationsi – type locality for species

H

• †Hadrokkosaurus – type locality for genus
  • †Hadrokkosaurus bradyi – type locality for species
• †Hamites
  • †Hamites simplex
• †Hamulus
• Hemiaster
  • †Hemiaster jacksoni – or unidentified comparable form
• †Hesperosuchus – type locality for genus
  • †Hesperosuchus agilis – type locality for species
• Homarus
• †Hopiichnus – type locality for genus
  • †Hopiichnus shingi – type locality for species
• †Hybodus

I

• †Immunitoceras
  • †Immunitoceras immunitum
• †Inoceramus
  • †Inoceramus corpulentas
  • †Inoceramus dimidius – or unidentified comparable form
  • †Inoceramus flavus
  • †Inoceramus heinzi – or unidentified related form
  • †Inoceramus lamarcki
  • †Inoceramus nodai
  • †Inoceramus pictus
  • †Inoceramus tenuistriatus() – tentative report
• †Isochirotherium
  • †Isochirotherium coltoni – type locality for species
  • †Isochirotherium marshalli

K

• †Kamerunoceras
  • †Kamerunoceras turoniense
• {{multiple image

}} †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
• †Kayentavenator – type locality for genus
  • †Kayentavenator elysiae – type locality for species
• †Kazanskyella
  • †Kazanskyella arizonica
• †Koskinonodon
  • †Koskinonodon perfectus
• †Koupichnium
• †Kraterokheirodon – type locality for genus
  • †Kraterokheirodon colberti – type locality for species
• †Kummelonautilus

L

• †Lasalichthys – or unidentified comparable form
• Laternula
  • †Laternula lineata
• †Legumen
  • †Legumen ligula – or unidentified comparable form
• Lepisosteus
• †Leptosuchus
  • †Leptosuchus crosbiensis
• †Levicerithium
  • †Levicerithium basicostae
  • †Levicerithium micronema – tentative report
  • †Levicerithium timberanum – or unidentified comparable form
• Lima
  • †Lima cholla
  • †Lima espinal
  • †Lima muralensis
  • †Lima utahensis
• Limatula
  • †Limatula kochi
• †Linearis
  • †Linearis striatimarginata
  • †Linearis whitei
• †Lingula
  • †Lingula subspatula
• †Liopistha
  • †Liopistha meeki
• †Lissodus – tentative report
• †Lithocodium
• Lithophaga
• †Lonchidion
  • †Lonchidion humblei
• †Longitubus
• Lopha
  • †Lopha bellaplicata
  • †Lopha staufferi
• †Lucina
  • †Lucina subundata
• Lunatia – tentative report
• †Lutema
  • †Lutema hitzi

M

• †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
• †Mammillopora
  • †Mammillopora encrusta – type locality for species
• †Mammites
  • †Mammites nodosoides
• †Masculostrobus
  • †Masculostrobus clathratus – type locality for species
• †Mathilia – tentative report
  • †Mathilia ripleyana
• †Meekia
• †Megalosauripus
• †Melvius
• Membranipora – or unidentified comparable form
• †Mesolanites
• †Mesostoma
• †Metaptychoceras
  • †Metaptychoceras reesidei
• †Metoicoceras
  • †Metoicoceras geslinianum
  • †Metoicoceras mosbyense
• †Metoposaurus
  • †Metoposaurus fraasi – type locality for species
• †Microsolena
  • †Microsolena texana
• †Modiolus
  • †Modiolus attenuatus – or unidentified comparable form
  • †Modiolus coloradoensis
  • †Modiolus perryi – type locality for species
• †Moenkopia – type locality for genus
  • †Moenkopia wellesi – type locality for species
• †Monopleura
  • †Monopleura marcida – or unidentified comparable form
• †Moremanoceras
  • †Moremanoceras scotti
• †Morganucodon
• †Morrowites
• †Mytiloides
  • †Mytiloides columbianus
  • †Mytiloides duplicostasus – or unidentified related form
  • †Mytiloides hercynicus
  • †Mytiloides kossmati
  • †Mytiloides labiatus
  • †Mytiloides latus – or unidentified comparable form
  • †Mytiloides mytiloides
  • †Mytiloides opalensis
  • †Mytiloides submytiloides
• †Mytilus – tentative report

N

• †Nannometoicoceras
  • †Nannometoicoceras acceleratum
• †Navahopus – type locality for genus
  • †Navahopus falcipollex – type locality for species
• †Neithea
  • †Neithea vicinalis
• †Nemodon
• †Neocardioceras
  • †Neocardioceras juddii
  • †Neocardioceras minutum
• †Neoptychites
  • †Neoptychites cephalotus
• {{multiple image

}} †Nerinea

• Nerita
  • †Nerita spp.
• Neritina
  • †Neritina spp.
• †Nigericeras
  • †Nigericeras ogojaense – or unidentified comparable form
• Nucula
  • †Nucula coloradoensis
• Nuculana
  • †Nuculana mutuata

O

• †Obnixia – type locality for genus
  • †Obnixia thaynesiana
• †Oligokyphus
• †Opis
  • †Opis elevata
• †Orbitolina
  • †Orbitolina texana
• Ostrea
  • †Ostrea anomioides
  • †Ostrea edwilsoni
• †Oxytoma
  • †Oxytoma arizonensis – type locality for species

P

• †Pachyrhizodus – or unidentified comparable form
• †Paleopsephea
  • †Paleopsephea arizonensis – type locality for species
• †Paracanthohoplites
  • †Paracanthohoplites meridionalis
• †Parasimilia
  • †Parasimilia spp.
• {{multiple image

}} †Parasuchus

• †Paratypothorax
• †Parmicorbula
• †Parrishea
• †Parrishia – type locality for genus
  • †Parrishia mccreai – type locality for species
• Parvilucina
  • †Parvilucina juvenis
• †Pecten
  • †Pecten peregrina
• †Perissoptera
  • †Perissoptera prolabiata
• †Permocalculus
• Petrophyllia
  • †Petrophyllia dartoni
• †Pharodina
  • †Pharodina ferrana
• †Phelopteria
  • †Phelopteria A – informal
  • †Phelopteria B – informal
  • †Phelopteria C – informal
  • †Phelopteria dalli
  • †Phelopteria E – informal
  • †Phelopteria F – informal
  • †Phelopteria gastrodes
  • †Phelopteria minuta
• †Phoebodus
• Pholadomya
  • †Pholadomya coloradoensis

• Physa
  • †Physa reesidei – or unidentified comparable form
• †Pinna
  • †Pinna kauffmani – type locality for species
  • †Pinna petrina
• †Pirsilia
• {{multiple image

}} †Placenticeras

• †Placenticeras cumminsi

• †Placerias – type locality for genus
  • †Placerias hesternus – type locality for species
• †Plastomenus
• †Pleisiopinna – tentative report
• †Pleisopinna – tentative report
• †Pleuriocardia
  • †Pleuriocardia pauperculum
• Plicatula
  • †Plicatula ferryi
  • †Plicatula hydrotheca
• †Pollex – tentative report
• Polydora – tentative report
• †Polystrata
  • †Polystrata alba
• †Polytremacis
• {{multiple image

}} †Poposaurus

• †Poposaurus gracilis

• Poromya
  • †Poromya lohaliensis – type locality for species
• †Postosuchus
  • †Postosuchus kirkpatricki
• †Pravusuchus
  • †Pravusuchus hortus
• †Prionocyclus
  • †Prionocyclus hyatti
  • †Prionocyclus percarinatus
• †Procolophonichnium
• {{multiple image

}} †Prosalirus – type locality for genus

• †Prosalirus bitis – type locality for species

• †Protelliptio – tentative report
• †Protome – type locality for genus
  • †Protome batalaria – type locality for species
• †Protosuchus – type locality for genus
  • †Protosuchus richardsoni – type locality for species
• †Pseudaspidoceras
  • †Pseudaspidoceras flexuosum
  • †Pseudaspidoceras pseudonodosoides
• †Pseudocalycoceras
  • †Pseudocalycoceras angolaense
• †Pseudoperna
  • †Pseudoperna bentonense
  • †Pseudoperna bentonensis
• †Pseudopetalodontia
  • †Pseudopetalodontia felixi
• †Pseudoptera
  • †Pseudoptera propleura
• †Psilomya
  • †Psilomya concentrica
  • †Psilomya elongata
  • †Psilomya meeki
• †Psilothyris
  • †Psilothyris occidentalis
• †Pteraichnus – type locality for genus
  • †Pteraichnus saltwashensis – type locality for species
• †Puebloites
  • †Puebloites greenhornensis
  • †Puebloites spiralis
• Pycnodonte
  • †Pycnodonte kansasense – tentative report
  • †Pycnodonte kellumi – or unidentified related form
  • †Pycnodonte newberryi
• †Pyktes
  • †Pyktes fusiformis
• †Pyncnodonte
  • †Pyncnodonte kellumi – or unidentified related form
  • †Pyncnodonte newberryi
• †Pyrgulifera
  • †Pyrgulifera ornata
• †Pyropsis
  • †Pyropsis coloradoensis – or unidentified comparable form
  • †Pyropsis kochi – type locality for species

Q

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

R

• †Radiolites
• Ramphonotus – or unidentified comparable form
• †Rectithyris
  • †Rectithyris vespertina – type locality for species
• †Reticulodus – type locality for genus
  • †Reticulodus synergus – type locality for species
• †Revueltosaurus
  • †Revueltosaurus callenderi
  • †Revueltosaurus hunti
• †Rhadalognathus – type locality for genus
  • †Rhadalognathus boweni – type locality for species
• †Rhamphinion – type locality for genus
  • †Rhamphinion jenkinsi – type locality for species
• †Rhombopsis – tentative report
  • †Rhombopsis huerfanensis
• †Rhynchosauroides
  • †Rhynchosauroides schochardti
• †Rhynchostreon
  • †Rhynchostreon levis
• Ringicula
  • †Ringicula codellana
• †Rioarribasuchus
  • †Rioarribasuchus chamaensis
• Rostellaria
  • †Rostellaria venenatus – tentative report
• †Rotodactylus – type locality for genus
  • †Rotodactylus bradyi – type locality for species
  • †Rotodactylus cursorius – type locality for species
• †Rubroceras
  • †Rubroceras rotundum
• †Rutiodon

S

• {{multiple image

}} †Sarahsaurus – type locality for genus

• †Sarahsaurus aurifontanalis – type locality for species

• Scalpellum – tentative report
• †Scaphites
  • †Scaphites larvaeformis
• †Sciponoceras
  • †Sciponoceras gracile
• †Scutarx – type locality for genus
  • †Scutarx deltatylus – type locality for species
• †Scutellosaurus – type locality for genus
  • †Scutellosaurus lawleri – type locality for species
• {{multiple image

}} †Segisaurus – type locality for genus

• †Segisaurus halli – type locality for species

• †Selaginella
  • †Selaginella anasazia – type locality for species
• †Semionotus – or unidentified comparable form
• †Senis
  • †Senis elongatus
• †Sergipia
  • †Sergipia hartti – tentative report
• Serpula
  • †Serpula implicata
  • †Serpula intrica
  • †Serpula large
• †Shuvosaurus
  • †Shuvosaurus inexpectatus
• †Sinzowiella
  • †Sinzowiella spathi
• {{multiple image

}} †Smilosuchus – type locality for genus

• †Smilosuchus adamanensis – type locality for species
• †Smilosuchus gregorii – type locality for species
• †Smilosuchus lithodendrorum – type locality for species

• Solemya
  • †Solemya obscura
• †Sonorasaurus – type locality for genus
  • †Sonorasaurus thompsoni – type locality for species
• †Spathites
  • †Spathites puercoensis
• Spirorbis
• Squilla – tentative report
• †Stagonolepis
• †Stanocephalosaurus – type locality for genus
  • †Stanocephalosaurus birdi – type locality for species
  • †Stanocephalosaurus new species – informal
• †Stoliczkaia
  • †Stoliczkaia scotti
• †Stomohamites
• †Stylocyathus
• †Sumitomoceras
  • †Sumitomoceras conlini
• †Synaptichnium
  • †Synaptichnium cameronensis – type locality for species
  • †Synaptichnium diabloensis – type locality for species
• †Syncyclonema
  • †Syncyclonema spp.
• †Syntarsus

T

• †Tanytrachelos
• †Tecovasaurus
  • †Tecovasaurus murryi
• †Tecovasuchus
  • †Tecovasuchus chatterjeei
• †Tectaplica – tentative report
  • †Tectaplica utahensis
• Tellina
  • †Tellina carlilana – type locality for species
• †Tenea
• †Tenontosaurus
• †Terebrimya
• Teredolithus
• †Therapsipus – type locality for genus
  • †Therapsipus cumminsi – type locality for species
• †Thomasites
  • †Thomasites gongilensis – or unidentified comparable form
• †Toucasia
  • †Toucasia hancockensis
• †Tragodesmoceras
  • †Tragodesmoceras bassi
  • †Tragodesmoceras socorroense
• †Triasamnicola – or unidentified comparable form
  • †Triasamnicola pilsbryi
• †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
• {{multiple image

}} †Trilophosaurus

• †Trilophosaurus buettneri
• †Trilophosaurus jacobsi – type locality for species

• †Triodus
  • †Triodus moorei
• Trochocyathus
• Turritella
  • †Turritella cobbani – type locality for species
  • †Turritella codellana – type locality for species
  • †Turritella kauffmani – type locality for species
  • †Turritella whitei
• †Turseodus
  • †Turseodus dolorensis – or unidentified comparable form
• †Typothorax
  • †Typothorax coccinarum

U

• †Uatchitodon
  • †Uatchitodon schneideri
• †Unicardium
• Unio

V

• {{multiple image

}} †Vancleavea – type locality for genus

• †Vancleavea campi – type locality for species

• †Vascoceras
  • †Vascoceras diartianum
• †Veniella
  • †Veniella goniophora
  • †Veniella mortoni
• †Vigilius
  • †Vigilius wellesi
• Viviparus
• †Voysa
  • †Voysa varia
• Vulsella

W

• †Watinoceras
  • †Watinoceras coloradoense
  • †Watinoceras devonense
  • †Watinoceras hattini
  • †Watinoceras praecursor – or unidentified comparable form
  • †Watinoceras spp.
• †Weeksia
• †Wellesaurus
  • †Wellesaurus peabodyi – type locality for species
• †Worthoceras
  • †Worthoceras gibbosum
  • †Worthoceras vermiculum

Y

• †Yezoites
  • †Yezoites delicatulus

References

• {{cite web |title=Fossilworks: Gateway to the Paleobiology Database |author=Various Contributors to the Paleobiology Database |url=http://fossilworks.org/ |accessdate=7 August 2017}}

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