baryonyx
Baryonyx walkeri, a theropod from the Cretaceous period discovered in 1983 in Surrey, England by William Walker, believed to be an ancestor of Spinosaurus.

calamosaur
Any small theropod dinosaur of the genus †Calamosaurus

calamosaurs
plural of calamosaur

caseasaur
Any theropod dinosaur of the genus †Caseosaurus

caseasaurs
plural of caseasaur

caudipterid
Any of the †Caudipteridae, a family of oviraptorosaurian dinosaurs.

caudipterids
plural of caudipterid

coelurosaur
Any of several small theropod dinosaurs of the clade Coelurosauria

coelurosaurid
Synonym of coelurosaur.

coelurosaurs
plural of coelurosaur

coleurosaur
Misspelling of coelurosaur.

compsognathid
Any member of the family †Compsognathidae of dinosaurs.

compsognathids
plural of compsognathid

deinonychi
plural of deinonychus

deinonychosaur
Any omnivorous or carnivorous coelurosaurian theropod dinosaur of the clade Deinonychosauria

deinonychosaurian
Any theropod dinosaur of the clade Deinonychosauria

deinonychosaurians
plural of deinonychosaurian

deinonychosaurid
Synonym of deinonychosaur.

deinonychosaurs
plural of deinonychosaur

deinonychus
A medium agile dinosaur, of the genus Deinonychus, of the Cretaceous period, characterized by having a large, curved claw on each hind foot.

deinonychuses
plural of deinonychus

dilophosauri
plural of dilophosaurus

dilophosaurus
Alternative form of dilophosaur.

dilophosauruses
plural of dilophosaurus

dromaeosaur
Any bird-like theropod dinosaur of the family Dromaeosauridae.

dromaeosaurid
A bird-like theropod dinosaur of the family Dromaeosauridae.

dromaeosaurids
plural of dromaeosaurid

dromaeosaurine
A bird-like theropod dinosaur of the subfamily Dromaeosaurinae.

dromaeosaurines
plural of dromaeosaurine

dromaeosaurs
plural of dromaeosaur

dromeosaur
Alternative spelling of dromaeosaur.

dromeosaurid
Alternative form of dromaeosaurid.

dromeosaurids
plural of dromeosaurid

dromeosaurs
plural of dromeosaur; alternative spelling of dromaeosaurs

eumaniraptoran
Any bird-like dinosaur of the taxon Eumaniraptora

eumaniraptorans
plural of eumaniraptoran

eustreptospondylus
A megalosaurid dinosaur, of the genus †Eustreptospondylus, from the Callovian stage of the Middle Jurassic period.

gorgosauri
plural of gorgosaurus

gorgosaurus
A tyrannosaurid theropod dinosaur of the genus Gorgosaurus that lived in western North America during the Late Cretaceous Period (Campanian), between about 76.6 and 75.1 million years ago.

gorgosauruses
plural of gorgosaurus

halszkaraptorine
Any extinct dinosaur of the subfamily †Halszkaraptorinae.

irritator
One who or that which irritates.

irritators
plural of irritator

khaan
Alternative spelling of khan.

maniraptoran
Any of a group of advanced theropods, of the clade Maniraptora, thought to be ancestors of both dinosaurs and birds.

maniraptorans
plural of maniraptoran

maniraptoriform
Any dinosaur, of the clade Maniraptoriformes, thought to be the common ancestors of all birds.

maniraptoriforms
plural of maniraptoriform

megalosaur
A carnivorous dinosaur of the family Megalosauridae.

megalosaurid
Any dinosaur of the family Megalosauridae.

megalosaurids
plural of megalosaurid

megalosaurs
plural of megalosaur

megalosaurus
A theropod dinosaur of the genus Megalosaurus.

megaraptoran
A carnivorous theropod dinosaur of the clade Megaraptora

megaraptorans
plural of megaraptoran

megaraptorid
Any theropod dinosaur of the family †Megaraptoridae.

megaraptorids
plural of megaraptorid

megatheropod
Any theropod dinosaur that exceeds 3000 kilograms in weight, and 9 meters in length.

megatheropods
plural of megatheropod

microraptor
A small, four-winged paravian dinosaur of the genus Microraptor.

microraptors
plural of microraptor

neotheropod
Any dinosaur of the clade Neotheropoda

neotheropodan
Any theropod dinosaur of the clade Neotheropoda

neotheropodans
plural of neotheropodan

neotheropods
plural of neotheropod

ornithomimid
Any of the family Ornithomimidae of dinosaurs.

ornithomimids
plural of ornithomimid

ornithomimosaur
Any of several theropod dinosaurs, of the clade Ornithomimosauria, that bore a superficial resemblance to modern ostriches

ornithomimosaurian
Any theropod dinosaur of the clade Ornithomimosauria

ornithomimosaurians
plural of ornithomimosaurian

ornithomimosaurs
plural of ornithomimosaur

ornithomimus
Any relatively small theropod dinosaur of the genus †Ornithomimus, the first genus of the ornithomimids to be described.

oviraptor
Any of several bipedal dinosaurs, of the genus Oviraptor, from the late Cretaceous period.

oviraptoran
Any of several birdlike dinosaurs of the family †Oviraptoridae.

oviraptorans
plural of oviraptoran

oviraptorid
A member of the Oviraptoridae, birdlike maniraptoran dinosaurs.

oviraptorids
plural of oviraptorid

oviraptorosaur
Any of a group of beaked, feathered dinosaurs of the order Oviraptorosauria.

oviraptorosaurian
Any maniraptoran dinosaur of the clade Oviraptorosauria

oviraptorosaurians
plural of oviraptorosaurian

oviraptorosaurs
plural of oviraptorosaur

oviraptors
plural of oviraptor

oviraptosaurian
Any maniraptoran dinosaur of the clade Oviraptorosauria.

oviraptosaurians
plural of oviraptosaurian

ozraptor
An Australian dinosaur of the genus Ozraptor

ozraptors
plural of ozraptor

pachycephalosauri
plural of pachycephalosaurus

pachycephalosaurus
Any of a group of herbivorous dinosaurs, of the genus Pachycephalosaurus from the late Cretaceous period.

pachycephalosauruses
plural of pachycephalosaurus

paravian
Any birdlike dinosaur of the clade Paraves, dinosaurs more closely related to birds than to oviraptorosaurs.

paravians
plural of paravian

podokesaurid
Any theropod dinosaur of the family Podokesauridae, now considered to be a synonym of the superfamily Coelophysoidea.

podokesaurids
plural of podokesaurid

scansoriopterygid
Any of the family †Scansoriopterygidae of maniraptoran dinosaurs.

scansoriopterygids
plural of scansoriopterygid

segnosaur
Synonym of therizinosaur.

segnosaurs
plural of segnosaur

shaowei
siu mei

spinosaur
Any theropod dinosaur of the genus †Spinosaurus.

spinosauri
plural of spinosaurus

spinosaurid
Any of the family †Spinosauridae of carnivorous theropod dinosaurs with long, crocodilian-like skulls.

spinosaurids
plural of spinosaurid

spinosaurine
Any of the subfamily †Spinosaurinae of theropod dinosaurs.

spinosaurines
plural of spinosaurine

spinosaurs
plural of spinosaur

spinosaurus
A large, extinct, carnivorous dinosaur of genus †Spinosaurus, with a long snout like that of a crocodile and with a sail on its back. It is considered to be the largest theropod dinosaur.

spinosauruses
plural of spinosaurus

subarctometatarsus
A plesiomorphic form of arctometatarsus present in some theropod dinosaurs

suchomimus
Any spinosaurid dinosaur in the genus Suchomimus from the Early Cretaceous Period.

suchomimuses
plural of suchomimus

tarbosaur
A tyrannosaurid dinosaur of the genus Tarbosaurus from the Late Cretaceous of Mongolia and China.

tarbosaurs
plural of tarbosaur

therapod
Misspelling of theropod.

therizinosaur
Any theropod dinosaur of the clade Therizinosauria

therizinosaurian
Any theropod dinosaur of the clade Therizinosauria

therizinosaurians
plural of therizinosaurian

therizinosaurs
plural of therizinosaur

theropod
Any bipedal carnivorous dinosaur, of the suborder Theropoda, from the Jurassic and Cretaceous periods.

theropodan
theropod

theropodans
plural of theropodan

theropods
plural of theropod

torvosaurid
Any dinosaur in the family Torvosauridae (syn. of Megalosauridae).

torvosaurids
plural of torvosaurid

troodontid
Any member of the family †Troodontidae of small, bird-like theropod dinosaurs with large brains, large eyes, and a retractable claw on the second toe of each hind foot, similar to a farmer's sickle, used for slashing at prey.

troodontids
plural of troodontid

tyrannoraptoran
Any dinosaur of the clade Tyrannoraptora.