Hadrosauridae
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Hadrosauridae, is a family of ornithischian dinosaurs informally referred to as duck-billed dinosaurs. This group is known as the duck-billed dinosaurs for the flat duck-bill appearance of the bones i
ROM 39 Maiasaura & Gryposaurus
Oxford Edmontosaurus
Hypacrosaurus Royal Tyrrell
FMNH Parasaurolophus fossil
Saurolophinae
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Saurolophinae is a subfamily of hadrosaurid dinosaurs. It has since the mid-20th century generally been called the Hadrosaurinae, a group of largely non-crested hadrosaurs related to the crested sub-f
Hadrosauridae
…is divided into two principal subfamilies: the lambeosaurines (Lambeosaurinae), which had hollow cranial crests or tubes; and the saurolophines (Saurolophinae), identified as hadrosaurines (Hadrosaurinae) in most pre-2010 works, which lacked hollow cranial crests (solid crests were present in some forms…
Likely dispersal route of the Austrokritosauria from North America to South America (red arrow)