Example hadrosaurid skulls
The Hadrosaurid family consists of the 'duckbilled' dinosaurs. They evolved from the iguanodontid "family". There are two main groups of hadrosaurs: there are the crested lambeosaurines (Parasaurolophus, Corythosaurus); and there are the crestless and solid-crested saurolophines (Edmontosaurus, Maiasaura). Historically, many species of hadrosaurs have been named from stray toe bones or teeth, leading to a long history of species being "shuffled" between different genera and in and out of validity. Many "classic" hadrosaurs are now considered to be dubious or invalid.
Most Grass Dinosaurs are from this group.
A
- Amurosaurus riabinini
- Anasazisaurus horneri
- Anatotitan copei (actually mature Edmontosaurus annectens)
- Angulomastacator daviesi
- Aralosaurus tuberiferus
- Arenysaurus ardevoli
- Arkharavia heterocoelica (sauropod, some specimen bones are hadrosaurid)
- Arstanosaurus akkurganensis (likely dubious)
B
- Bactrosaurus/B. johnsoni/B. kysylkumensis? (maybe only in Hadrosauroidea)
- Barsboldia sicinskii
- Blasisaurus canudoi
- Brachylophosaurus/B. canadensis/B. goodwini?
C
- Charonosaurus jiayinensis
- Cheneosaurus (same as Hypacrosaurus)
- Cionodon/C. arctatus/C. stenopsis (likely dubious)
- Claosaurus agilis
- Corythosaurus casuarius
D
- Diclonius (dubious, teeth only)
E
- Edmontosaurus/E. regalis/E. annectens
- Eotrachodon
G
- Gilmoreosaurus/G. mongoliensis/G. arkhangelskyi/G. atavus (maybe only in Hadrosauroidea)
- Gryposaurus/G. notabilis/G. latidens/G. monumentensis (may be same as Kritosaurus)
H
- Hadrosaurus foulkii (potentially dubious)
- Hypacrosaurus/H. altispinus/H. stebingeri
- Hypsibema/H. crassicauda/H. missouriensis (dubious)
J
K
- Kerberosaurus manakini
- Koutalisaurus kohlerorum (may be the same as Pararhabdodon)
- Kritosaurus navajovius
L
- Lambeosaurus/L. lambei/L. magniristatus
- Lophorhothon atopus (potentially only in Hadrosauroidea)
M
- Magnapaulia laticaudus (formerly Lambeosaurus species)
- Maiasaura peeblesorum
- Mandschurosaurus/M. amurensis/M. laosensis? (potentially dubious)
- Microhadrosaurus nanshiungensis (dubious, juvenile)
N
- Naashoibitosaurus ostromi (may be same as Kritosaurus)
- Nanningosaurus dashiensis
- Nipponosaurus sachalinensis
O
P
- Pararhabdodon isonensis
- Parasaurolophus/P. walkeri/P. tubicen/P. cyrtocristatus
- Procheneosaurus (disused, juveniles of multiple species)
- Prosaurolophus/P. maximus/P. blackfeetenis
- Pteropelyx grallipes (dubious)
S
- Sahaliyania elunchunorum
- Saurolophus/S. osborbi/S. angustirostris/S. "morrisi"
- Secernosaurus koerneri
- Shantungosaurus giganteus
- Stephanosaurus marginatus (dubious)
T
- Tanius sinensis (may only be in Hadrosauroidea)
- Telmatosaurus transsylvanicus
- Thespesius occidentalis (dubious)
- Trachodon mirabilis (dubious)
- Tsintaosaurus spinorhinus
