All Dinosaur Genera

subsequently found to be a piece of petrified wood

a

nomen nudum, synonym of Giraffatitan

a

a

a

a

a

a

a

a

a

a

a

a

a

a

a

subsequently found to be a choristoderan

a

a

a

a

a

a

a

a

a

a

a

junior synonym of Massospondylus

a

a

possible synonym of Triceratops

subsequently found to be a metriorhynchid crocodilian

a

possibly non-dinosaurian

probably a junior synonym of Thecodontosaurus

a

a

a

nomen nudum; Kuru

synonym of Heyuannia

a

a

a

a

a

a

a

a

a

a

a

a

subsequently found to be a non-dinosaurian reptile

possible junior synonym of Miragaia

a

a

a

a

junior synonym of Eucnemesaurus

a

a

a

a

a

a

a

a

a

possibly non-dinosaurian

a

a

nomen nudum

a

a

a

junior synonym of Anchisaurus

a

a

a

nomen nudum; synonym of Huabeisaurus

preoccupied name, now known as Anchisaurus

a

possibly a junior synonym of Talarurus

a

a

a

a

a

junior synonym of Edmontosaurus

junior synonym of Edmontosaurus

a

a

a

a

nomen nudum

possible junior synonym of Irritator

nomen nudum

a

a

a

a

a

subsequently found to be a proterosuchid archosauriform

a

a

a

a

a

HINT

a

a

a

subsequently found to be a pareiasaur

possibly a synonym of Allosaurus

a

a

a

possibly a junior synonym of Allosaurus

a

a

a

a

a

a

a

a

a

nomen nudum; Neuquenraptor

a

a

possibly a bird

a chimaera of the bird Yanornis and the dromaeosaur Microraptor

junior synonym of Archaeopteryx

a

a

a

subsequently found to be a non-dinosaurian reptile

a

a

a

a

junior synonym of Massospondylus

a

subsequently found to be a rauisuchian

a

a

a

a

a

a

a

a fish

a

possibly non-dinosaurian

a

junior synonym of Astrodon

junior synonym of Astrodon

a

a

a

a

a

a

a

a

a

a

preoccupied name, now known as Agustinia

a

a

a

a

a

a

a

a

a

a

a

preoccupied name, now known as Avalonianus

subsequently found to be a non-dinosaurian archosaur

a

a

probably a non-dinosaurian dinosauromorph

subsequently found to be an enantiornithine bird

subsequently found to be a non-dinosaurian archosauromorph

b

b

b

b

b

b

b

b

b

nomen nudum; Bactrosaurus

possibly a bird

nomen nudum

b

b

b

b

b

b

b

b

b

b

b

b

subsequently found to be a non-dinosaurian archosaur

a pelycosaur, Dimetrodon

b

b

b

nomen nudum

junior synonym of Altispinax

nomen nudum

b

b

chimera of several unnamed dinosaurs

b

b

b

subsequently found to be a phytosaur

b

b

b

b

b

nomen nudum

nomen nudum; Cedarpelta

b

b

b

nomen nudum, synonym of Giraffatitan

b

b

b

b

b

b

b

b

b

b

b

b

b

b

b

b

junior synonym of Camptosaurus

subsequently found to be a metriorhynchid; junior objective synonym of Dakosaurus or Geosaurus

b

b

subsequently found to be a non-dinosaurian archosaur

b

b

b

b

b

b

b

nomen nudum, synonym of Torvosaurus

b

b

junior synonym of Thescelosaurus

b

b

b

b

nomen nudum; Byronosaurus

b

c

c

c

c

c

preoccupied name, now known as Calamosaurus

c

c

c

c

c

c

c

preoccupied name, now known as Camptosaurus

c

preoccupied name, now known as Campylodoniscus

c

c

nomen nudum

c

c

c

c

c

possibly a species of Camarasaurus

c

junior synonym of Teinurosaurus

junior synonym of Camarasaurus

c

c

c

subsequently found to be a phytosaur

c

c

c

c

c

c

c

c

c

nomen nudum

c

c

c

c

c

junior synonym of Edmontonia

c

c

junior synonym of Hypacrosaurus

c

c

possible junior synonym of Szechuanosaurus

nomen nudum; Sonorasaurus

c

c

c

c

c

c

c

c

c

c

c

c

c

c

c

c

c

nomen nudum

c

c

c

subsequently found to be a non-dinosaurian rauisuchian; synonym of Teratosaurus

possibly Triceratops

c

subsequently found to be a sphenosuchian; synonym of Sphenosuchus

c

subsequently found to be a phytosaur, possibly Palaeosaurus

c

c

preoccupied genus name, species "Coelosaurus" antiquus

c

subsequently found to be a primitive diapsid

c

c

preoccupied name, now known as Coloradisaurus

c

nomen nudum; Pelorosaurus

c

nomen nudum

c

c

c

c

c

c

c

c

c

c

junior synonym of Struthiosaurus

c

junior synonym of Allosaurus

c

c

c

c

subsequently found to be a non-dinosaurian archosauriform

c

c

junior synonym (unneeded replacement name) of Cryptosaurus

nomen nudum

c

unior synonym of Microraptor

c

d

d

nomen nudum

d

d

subsequently found to be a metriorhynchid crocodilian

d

d

d

nomen nudum

d

junior synonym of Struthiosaurus

nomen nudum; early manuscript name for Deinonychus

junior synonym of Hypselospinus or Mantellisaurus

d

d

subsequently found to be a non-dinosaurian archosaur; possible junior synonym of Ornithosuchus

preoccupied name, now known as Dasygnathoides

d

d

d

d

d

synonym of Kulindadromeus

d

d

possibly Gorgosaurus

d

junior synonym of Iguanodon

d

d

d

subsequently found to be a therapsid

d

d

subsequently found to be a crocodilian

preoccupied name, now known as Nedoceratops

junior synonym of Nedoceratops

d

d

synonym of Lambeosaurus; possibly a nomen nudum

d

d

d

junior synonym of Plateosaurus

d

possible junior synonym of Supersaurus

d

preoccupied name for a junior synonym of Brithopus; now a junior synonym of Plateosaurus

junior synonym Tyrannosaurus or some other tyrannosaurid

possibly non-dinosaurian

d

d

junior synonym of Stegosaurus

d

junior synonym of Mantellisaurus

nomen nudum, synonym of Arackar

d

d

d

subsequently found to be a crocodilian

junior synonym (unneeded replacement name) of Kentrosaurus

d

d

d

junior synonym of Pachycephalosaurus

d

possibly non-dinosaurian

d

junior synonym of Nanosaurus

d

d

d

junior synonym of Massospondylus

d

d

d

d

d

nomen nudum

d

d

junior synonym of Tyrannosaurus

d

d

d

d

d

d

junior synonym of Supersaurus

d

d

e

junior synonym of Torvosaurus

e

e

e

e

e

subsequently found to be a rhynchocephalian

e

e

e

e

e

junior synonym of Brontosaurus

e

nomen nudum; Cryolophosaurus

e

e

e

e

junior synonym of Brontosaurus

e

junior synonym of Chasmosaurus

e

e

nomen nudum; Eolambia

e

e

e

e

e

e

e

e

e

e

e

may be Allosaurus

nomen nudum; Machimosaurus (a crocodilian)

subsequently found to be a proterosuchid archosauriform, Ankistrodon

e

synonym of Scansoriopteryx

e

e

e

e

e

e

e

e

nomen nudum; junior synonym of Polacanthus

e

junior synonym (unneeded replacement name) of Centrosaurus

e

e

possibly non-dinosaurian

nomen nudum

e

e

subsequently found to be a nothosaur synonymous with Lariosaurus

nomen nudum; Tenontosaurus

subsequently found to be a pterosaur

e

e

e

e

e

e

possibly Lesothosaurus

f

nomen nudum

nomen nudum; Oviraptor

f

nomen nudum

f

f

f

f

f

junior synonym of Herrerasaurus

f

f

f

f

f

f

f

f

f

f

nomen nudum; Eotyrannus

f

nomen nudum; not to be confused with the formally named plesiosaur Futabasaurus

f

f

nomen nudum

g

subsequently found to be a therapsid

g

g

subsequently found to be a pseudosuchian; possibly a junior synonym of Revueltosaurus

synonym of Galvesaurus

g

possibly non-dinosaurian

g

g

nomen nudum; Daxiatitan

g

g

g

g

g

g

g

g

nomen nudum; Eotyrannus

g

g

g

g

g

g

g

preoccupied name, now known as Tornieria

g

Probable junior synonym of Euskelosaurus

g

g

nomen nudum; Kinnareemimus

g

g

g

g

g

possibly a junior synonym of Bagaceratops

g

g

g

g

g

nomen nudum; Gojirasaurus

g

g

g

g

g

g

g

g

g

g

subsequently found to be a non-dinosaurian archosaur

g

g

possible junior synonym of Plateosaurus

junior synonym of Archaeopteryx

junior synonym of Archaeopteryx

g

g

g

nomen nudum

g

g

g

g

subsequently found to be a tanystrophid

possibly a junior synonym of Massospondylus

nomen nudum; junior synonym of Gryposaurus

h

h

h

subsequently found to be a crocodylomorph

h

h

h

h

nomen nudum

h

preoccupied name, now known as Haplocanthosaurus

h

h

h

junior synonym of Telmatosaurus

nomen nudum

h

h

preoccupied name, now known as Euhelopus

h

subsequently found to be a pterosaur

h

h

h

h

h

possible synonym of Mantellisaurus

h

h

h

h

unior synonym of Iguanodon

h

nomen nudum

nomen nudum

h

h

nomen nudum later described as Yandusaurus; name later used for a genus of marine reptile

junior synonym of Psittacosaurus

h

junior synonym of Struthiosaurus

h

possible junior synonym of Massospondylus

h

h

h

h

h

h

h

junior synonym of Shantungosaurus

nomen nudum; Huaxiagnathus

h

h

h

h

h

h

junior synonym of Hypselospinus

h

junior synonym of Hylaeosaurus

h

subsequently found to be a ctenosauriscid

h

h

h

h

h

i

i

i

nomen nudum; Shri

i

i

i

possibly non-dinosaurian

i

i

nomen nudum; Iguanodon

nomen nudum; Iguanodon

i

i

i

i

i

i

i

preoccupied name, now known as Heyuannia yanshini

i

i

i

i

i

i

i

i

i

junior synonym of Herrerasaurus

preoccupied genus name, species Ischyrosaurus manseli

i

nomen nudum; Dicraeosaurus

i

i

i

i

i

j

j

j

j

j

j

j

junior synonym of Tarbosaurus

nomen nudum; Supersaurus

j

j

nomen nudum; Monolophosaurus

j

j

j

j

j

j

j

preoccupied name, has not yet been renamed

j

j

j

j

j

j

possible junior synonym of Laevisuchus

j

junior synonym of Archaeopteryx

nomen nudum; Tianchisaurus

j

j

k

nomen nudum

k

k

k

k

k

k

k

k

nomen nudum

k

k

k

k

subsequently found to be a crocodyliform

k

junior synonym (unneeded replacement name) of Kentrosaurus

k

k

nomen nudum

k

k

k

k

nomen nudum; Fukuiraptor

nomen nudum; Eotyrannus

k

k

k

k

k

nomen nudum; name later used formally for a genus of ornithopod

k

k

k

possible junior synonym of Pararhabdodon

k

k

probably a pseudosuchian (Revueltosaurus?)

junior synonym of Barilium

k

k

synonym of Kulindadromeus

k

k

nomen nudum

k

k

subsequently found to be a bird

possibly non-dinosaurian

l

junior synonym of Allosaurus

preoccupied name, now known as Dryptosaurus

l

subsequently found to be a non-dinosaurian pterosauromorph

subsequently found to be a non-dinosaurian dinosauromorph

l

l

possible junior synonym of Bagaceratops

l

l

l

junior synonym of Lycorhinus

variant spelling of "Lancanjiangosaurus"

nomen nudum

l

l

l

l

l

l

possible junior synonym of Stenonychosaurus

l

l

l

l

l

junior synonym of Struthiosaurus

nomen nudum; Eotyrannus

l

junior synonym of Kulindadromeus

l

l

l

unior synonym of Massospondylus

l

l

l

l

possibly non-dinosaurian

l

l

l

l

l

l

nomen nudum; possible synonym of Sarcosaurus

subsequently found to be an anthracothere mammal

l

l

nomen nudum, synonym of Giraffatitan

nomen nudum; possibly non-dinosaurian

l

l

preoccupied name, now known as Palaeocursornis ( a pterosaur)

preoccupied name, now known as Telmatosaurus

l

l

l

l

l

l

l

subsequently found to be a crocodilian

l

l

l

l

subsequently found to be a non-dinosaurian reptile

junior synonym of Coelophysis

l

l

l

l

l

l

l

l

nomen nudum; Psittacosaurus

subsequently found to be a non-dinosaurian archosauriform

l

l

possibly a crurotarsan

l

l

l

l

l

possibly non-dinosaurian

l

l

subsequently found to be a sphenosuchian crocodilian

m

m

m

subsequently found to be a member of Lophotrochozoa

m

junior synonym of Chirostenotes

nomen nudum; junior synonym of Tanystropheus

m

nomen nudum, Allosaurus

m

m

possible junior synonym of Bagaceratops

m

nomen nudum

m

m

m

m

m

m

junior synonym of Majungasaurus

m

m

junior synonym of Tarbosaurus

m

m

m

m

m

synonym of Tyrannosaurus

m

m

junior synonym of Mantellisaurus

nomen nudum

m

m

subsequently found to be a non-dinosaurian dinosauromorph

nomen nudum

m

m

m

m

m

m

m

m

m

nomen nudum

preoccupied name, now known as Anchisaurus

nomen nudum; Microvenator

m

possible junior synonym of Coelophysis

m

m

m

m

m

m

m

m

m

m

nomen nudum

preoccupied name, now known as Microceratus

m

m

nomen nudum

m

m

m

m

m

nomen nudum

m

m

m

m

m

m

m

m

m

m

nomen nudum; Tornieria

junior synonym of Chasmosaurus

m

m

m

m

m

preoccupied name, now known as Mononykus

m

m

m

m

m

junior synonym of Camarasaurus

m

m

nomen nudum; possibly Mamenchisaurus

nomen nudum, synonym of Giraffatitan

nomen nudum; Dicraeosaurus

m

m

m

m

m

n

n

n

n

n

possible junior synonym of Tyrannosaurus

n

n

n

n

n

n

n

n

invalid name, either Alcovasaurus or Miragaia

n

n

preoccupied name, now known as Kritosaurus

n

possible junior synonym of Triceratops

n

preoccupied name, now known as Nemegtomaia

n

n

n

preoccupied name; renamed Parrosaurus, which is now Hypsibema

n

n

n

n

n

nomen nudum, possibly Zanclodon

nomen nudum

n

n

nomen manuscriptum

n

n

n

n

n

n

n

n

n

possible junior synonym of Elmisaurus

n

n

n

n

n

n

n

n

nomen nudum; Janenschia

n

nomen nudum

n

possibly non-dinosaurian

nomen nudum; Dicraeosaurus

o

o

o

possible synonym of Eotriceratops

o

o

possible synonym of Mochlodon

o

o

preoccupied name, now known as Dacentrurus

o

junior synonym of Zalmoxes or Rhabdodon, or an ankylosaurian

o

o

o

nomen nudum

junior synonym (unneeded replacement name) of Orosaurus

o

o

junior synonym of Stegoceras

o

nomen nudum; Saurornithoides

o

possible synonym of Mochlodon

o

o

o

subsequently found to be a non-dinosaurian archosaur

junior synonym of Hadrosaurus

o

o

o

o

o

nomen nudum

o

o

o

junior synonym of Nanosaurus

junior synonym of Nanosaurus

possibly a nomen nudum

o

o

o

o

nomen nudum; Velociraptor

o

possible junior synonym of Spinosaurus

o

p

p

junior synonym of Plateosaurus

junior synonym of Plateosaurus

preoccupied name, now known as Pachysauriscus; junior synonym of Plateosaurus

junior synonym of Massospondylus

p

p

nomen nudum

subsequently found to be a phytosaur

subsequently found to be an azhdarchoid pterosaur

nomen nudum; Palaeocursornis, pterodactyloid pterosaur belonging to Azhdarchoidea

possibly a bird

junior synonym of Palaeosaurus

subsequently found to be a non-dinosaurian reptile

preoccupied name, now known as Sphenosaurus and considered to be a non-dinosaurian procolophonid

p

subsequently found to be a non-dinosaurian archosaur; junior synonym (unneeded replacement name) of Palaeosaurus

p

junior synonym of Sauroposeidon

p

p

p

p

p

p

p

possible synonym of Thecodontosaurus

p

nomen nudum; Bactrosaurus

p

p

p

p

p

p

subsequently found to be a pareiasaur

p

p

p

now known as Hypsibema missouriensis

p

p

p

p

p

p

p

p

p

p

subsequently found to be a pseudosuchian; junior synonym of Revueltosaurus

p

p

p

p

preoccupied name, now known as Sauropelta

p

p

p

p

p

p

p

p

p

p

p

possibly non-dinosaurian

p

p

possibly non-dinosaurian

p

p

p

p

p

possible junior synonym of Bagaceratops

p

p

p

possible junior synonym of Astrodon

junior synonym of Struthiosaurus

subsequently found to be a turtle

p

p

p

chimera of Hylaeosaurus and Polacanthus

p

p

p

subsequently found to be a non-dinosaurian archosaur

subsequently found to be a non-dinosaurian archosaur

p

subsequently found to be a rauisuchian

p

p

p

p

p

p

p

p

p

junior synonym (unneeded replacement name) of Ceratops

p

subsequently found to be a tanystropheid protorosaur, Tanystropheus

preoccupied name, now known as Ponerosteus

junior synonym of Lambeosaurus

p

p

nomen nudum; Iguanodon

p

junior synonym of Mantellisaurus

p

p

p

subsequently found to be a non-dinosaurian archosauriform

junior synonym of Psittacosaurus

described as a bird, probably a chimera including theropod dinosaur bones

p

p

preoccupied name, now known as Protognathosaurus

p

preoccupied name, now known as Chasmosaurus

subsequently found to be a non-dinosaurian reptile

nomen nudum; Hexinlusaurus

possibly non-dinosaurian; a junior synonym of Lewisuchus

p

p

p

p

p

p

p

p

p

q

q

q

q

q

q

q

q

q

q

q

q

subsequently found to be a chimera primarily based on ichthyosaur fossils

r

preoccupied name, now known as Rahonavis

possibly a bird

r

r

r

possible junior synonym of Tarbosaurus

r

r

r

subsequently found to be a crocodylomorph

r

r

r

subsequently found to be a pseudosuchian

r

may be non-dinosaurian, possibly crocodilian

possible synonym of Gryposaurus

junior synonym of Struthiosaurus

r

r

subsequently found to be a synapsid

r

r

preoccupied name, now known as Rileyasuchus

subsequently found to be a phytosaur

r

r

junior synonym of Coelophysis

nomen nudum; Turiasaurus

r

subsequently found to be a non-dinosaurian archosaur

r

r

r

nomen nudum; Melanorosaurus

nomen nudum

junior synonym of Styracosaurus

r

r

r

r

r

r

possibly non-dinosaurian

s

s

nomen nudum

nomen nudum, synonym of Giraffatitan

s

possibly non-dinosaurian

nomen nudum

s

nomen nudum, possible Gallimimus

nomen nudum, Tianchisaurus

s

s

s

s

s

nomen manuscriptum

s

s

s

s

nomen nudum; Echinodon

nomen nudum; Echinodon

nomen nudum; Echinodon

s

s

s

s

preoccupied name, now known as Saurophaganax

s

s

s

s

s

s

subsequently found to be a rhynchosaur, Hyperodapedon

s

s

s

s

subsequently found to be a non-dinosaurian avemetatarsalian

s

s

s

s

s

s

junior synonym of Diplodocus

s

s

nomen nudum; Dicraeosaurus

junior synonym of Barilium

junior synonym of Plateosaurus

s

s

s

s

junior synonym of Tarbosaurus

s

s

s

s

s

s

s

s

s

s

possible synonym of Sinosaurus

s

s

subsequently found to be a rauisuchian

s

s

nomen nudum

s

s

s

s

nomen nudum, now known as Sibirotitan

s

s

nomen nudum

s

possible junior synonym of Spinosaurus

possibly non-dinosaurian

s

s

s

s

s

s

s

s

s

nomen nudum; synonym of Sinopeltosaurus

nomen nudum

a pliosaur; one species, "S." fusuiensis, is actually a dinosaur that may be synonymous with Siamosaurus

s

s

s

s

s

s

s

s

s

s

s

preoccupied name, now known as Zanclodon

s

possibly non-dinosaurian

s

s

s

possibly non-dinosaurian

s

s

subsequently found to be a non-dinosaurian reptile

junior synonym of Mantellisaurus

s

s

s

s

s

s

subsequently found to be a non-dinosaurian reptile

subsequently found to be an aphanosaur

subsequently found to be a cetacean

s

s

s

s

s

s

s

s

s

junior synonym of Stygimoloch, which is a possible junior synonym of Pachycephalosaurus

s

preoccupied name, now known as Euoplocephalus

junior synonym of Triceratops

s

junior synonym of Lesothosaurus

junior synonym of Riojasaurus

s

s

s

junior synonym of Pachycephalosaurus

junior synonym of Tyrannosaurus

s

subsequently found to be fossilized mollusc borings

s

subsequently found to be a phytosaur

possible synonym of Baryonyx

nomen nudum

nomen nudum

s

s

s

s

junior synonym of Camptosaurus

s

preoccupied name, sometimes assigned to Coelophysis or Megapnosaurus

junior synonym of Pinacosaurus