hypsilophodontids
plural of hypsilophodontid

hypsilophodonts
plural of hypsilophodont

iguanodon
Any large dinosaur of the genus †Iguanodon, of the Jurassic and Cretaceous periods.

iguanodons
plural of iguanodon

iguanodontian
Any herbivorous dinosaur of the clade Iguanodontia.

iguanodontians
plural of iguanodontian

iguanodontid
Any member of the family †Iguanodontidae of iguana-like dinosaurs.

iguanodontids
plural of iguanodontid

lambeosaur
A crested duck-billed dinosaur of the family Hadrosauridae.

lambeosaurid
A member of the putative family of crested hadrosaurs, the Lambeosauridae.

lambeosaurids
plural of lambeosaurid

lambeosaurs
plural of lambeosaur

maiasaur
Any of the species of herbivorous duck-billed dinosaurs in the genus Maiasaura.

maiasaurs
plural of maiasaur

ornithopodan
Synonym of ornithopod (“dinosaur of the clade Ornithopoda”).

ornithopodans
plural of ornithopodan

tenontosaur
Any of the genus †Tenontosaurus of ornithopod dinosaurs.

tenontosaurs
plural of tenontosaur

trachodontid
Any dinosaur in the family Trachodontidae, a synonym of the Hadrosauridae.

trachodontids
plural of trachodontid

homalocephalid
Any dinosaur in the family Homalocephalidae, probably a synonym of the Pachycephalosauridae.

homalocephalids
plural of homalocephalid

micropachycephalosaurus
a very small pachycephalosaurid, ornithischian dinosaur of the genus Micropachycephalosaurus.

micropachycephalosauruses
plural of micropachycephalosaurus

pachy
A dinosaur of the genus Pachycephalosaurus.

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

pachycephalosaurian
Any dinosaur of the suborder Pachycephalosauria.

pachycephalosaurians
plural of pachycephalosaurian

pachycephalosaurid
Any dinosaur in the family Pachycephalosauridae.

pachycephalosaurids
plural of pachycephalosaurid

pachycephalosaurs
plural of pachycephalosaur

pachys
plural of pachy

aristonectine
Any plesiosaur of the clade Aristonectinae

aristonectines
plural of aristonectine

cimoliasaurid
Any plesiosaur in the former family Cimoliasauridae, a synonym of the Elasmosauridae.

cimoliasaurids
plural of cimoliasaurid

colymbosaurine
Any member of the Colymbosaurinae subfamily of plesiosaurs

colymbosaurines
plural of colymbosaurine

cryptocleidid
Any plesiosaur in the family Cryptocleididae.

cryptocleidids
plural of cryptocleidid

cryptoclidid
Any plesiosaur in the family Cryptoclididae.

cryptoclidids
plural of cryptoclidid

elasmosaurid
Any of the family Elasmosauridae of long-necked plesiosaurs.

elasmosaurids
plural of elasmosaurid

leptocleidian
Any plesiosauroid of the clade Leptocleidia

leptocleidians
plural of leptocleidian

leptocleidid
Any plesiosaur of the family Leptocleididae of extinct marine reptiles.

leptocleidids
plural of leptocleidid

plesiosaur
Any of the order †Plesiosauria of extinct marine reptiles, from the Jurassic and Cretaceous periods.

plesiosaurian
A plesiosaur.

plesiosaurians
plural of plesiosaurian

plesiosaurid
Any plesiosaur in the family †Plesiosauridae of extinct marine reptiles.

plesiosaurids
plural of plesiosaurid

plesiosauroid
Any marine plesiosaur of the superfamily Plesiosauroidea

plesiosauroids
plural of plesiosauroid

plesiosaurs
plural of plesiosaur

plesiosauruses
plural of plesiosaurus

pliosaur
Any plesiosaur in the suborder †Pliosauroidea, known from the earliest Jurassic to early Late Cretaceous.
Any plesiosaur in the suborder †Pliosauroidea, known from the earliest Jurassic to early Late Cretaceous.

pliosaurs
plural of pliosaur

polycotylid
Any plesiosaur in the family Polycotylidae.

polycotylids
plural of polycotylid

rhomalaeosaurid
Any pliosauroid plesiosaur of the family Rhomaleosauridae

rhomalaeosaurids
plural of rhomalaeosaurid

rhomaleosaurid
Any plesiosaur of the family †Rhomaleosauridae

rhomaleosaurids
plural of rhomaleosaurid

styxosaurine
Any plesiosaur of the genus Styxosaurus

styxosaurines
plural of styxosaurine

actinofibril
One of the parallel actin filaments found in pterosaur wings.

actinofibrils
plural of actinofibril

ahool
A flying cryptid first reported in the 1920s, supposedly a giant bat or pterosaur.

ahools
plural of ahool

anhanguerid
Any pterosaur of the family Anhangueridae.

anhanguerids
plural of anhanguerid

anurognathid
Any pterosaur of the family Anurognathidae.

anurognathids
plural of anurognathid

archaeopterodactyloid
Any pterosaur of the infraorder Archaeopterodactyloidea

archaeopterodactyloids
plural of archaeopterodactyloid

azhdarchid
Any member of the Azhdarchidae, a family of pterosaurs known primarily from the late Cretaceous including some of the largest known flying animals of all time.

azhdarchids
plural of azhdarchid

azhdarchoid
Any pterosaur of the superfamily Azhdarchoidea.

azhdarchoids
plural of azhdarchoid

chaetonotid
Any pterosaur in the family Chaetonotidae.

chaetonotids
plural of chaetonotid

chaoyangopterid
Any pterosaur of the family †Chaoyangopteridae

chaoyangopterids
plural of chaoyangopterid

cristospine
A crest on the sternum of some pterosaurs

cristospines
plural of cristospine

ctenochasmatoid
Any pterosaur of the clade Ctenochasmatoidea

ctenochasmatoids
plural of ctenochasmatoid

dimorphodontid
Any pterosaur in the family Dimorphodontidae.

dimorphodontids
plural of dimorphodontid

dsungaripterid
Any pterosaur in the family Dsungaripteridae.

dsungaripterids
plural of dsungaripterid

dsungaripteroid
Any pterosaur of the clade †Dsungaripteroidea

dsungaripteroids
plural of dsungaripteroid

eopterosaur
A member of the Eopterosauria clade.

eopterosaurian
Any member of the Eopterosauria clade of pterosaurs.

eopterosaurians
plural of eopterosaurian

eopterosaurs
plural of eopterosaur

exapophyses
plural of exapophysis

exapophysis
A bony joint in the cervicals of some pterosaurs

flapling
A juvenile pterosaur.

flaplings
plural of flapling

gnathosaurine
Any pterosaur of the subfamily Gnathosaurinae

gnathosaurines
plural of gnathosaurine

hemipteroid
A hemipteran or one of the closely related thrips and lice within the Exopterygota

hemipteroids
plural of hemipteroid

istiodactylid
Any pterosaur in the family Istiodactylidae.

istiodactylids
plural of istiodactylid

kongamato
A pterosaur-like cryptid of Africa.

lonchodectid
A pterosaur of the family Lonchodectidae

lonchodectids
plural of lonchodectid

lophocratian
Any pterosaur of the genus Lophocratia

lophocratians
plural of lophocratian

mecopteroid
Any scorpionfly of the superorder Mecopterida.

mecopteroids
plural of mecopteroid

monofenestratan
Any pterosaur of the clade Monofenestrata

monofenestratans
plural of monofenestratan

neoazhdarchian
Any pterosaur of the clade Neoazhdarchia

neoazhdarchians
plural of neoazhdarchian

notaria
plural of notarium

notarium
A bone formed of fused vertebrae behind the shoulder of many species of birds and pterosaurs.

nyctosaurid
Any pterosaur in the family Nyctosauridae.

nyctosaurids
plural of nyctosaurid

olitiau
A gigantic cryptid of Central Africa, said to resemble a bat or flying reptile.

ornithocheirid
Any pterosaur in the family Ornithocheiridae.

ornithocheirids
plural of ornithocheirid

ornithocheiroid
Any pterosaur of the clade Ornithocheiroidea

ornithocheiroids
plural of ornithocheiroid

orthropteroid
Misspelling of orthopteroid.

patagial
Of or pertaining to the patagium.

patagials
plural of patagial

postexapophysis
An exapophysis attached to a condyle

preexapophysis
An exapophysis attached to a cotyle

pteranodontian
Any ornithocheiroid pterosaur of the clade Pteranodontia

pteranodontians
plural of pteranodontian

pteranodontid
Any pterosaur in the family Pteranodontidae.

pteranodontids
plural of pteranodontid

pteranodontoid
Any pterosaur of the clade †Pteranodontoidea.

pteranodontoids
plural of pteranodontoid

pterodactyl
A pterosaur of the genus Pterodactylus.
Any pterosaur.