Hadrosauridae

E673289

Hadrosauridae is a family of herbivorous "duck-billed" dinosaurs known for their broad, flattened snouts and often elaborate cranial crests, which thrived during the Late Cretaceous period.

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All labels observed (2)

Label Occurrences
Hadrosauridae canonical 2
Saurolophinae 1

Statements (58)

Predicate Object
instanceOf dinosaur family
taxonomic family
characteristicFeature battery of tightly packed teeth
broad flattened snout
complex dental batteries for grinding plant material
duck-bill-like beak
long tails
often elaborate cranial crests
relatively shorter forelimbs
robust hind limbs
clade Cerapoda NERFINISHED
Dinosauria NERFINISHED
Neornithischia NERFINISHED
commonName duck-billed dinosaurs
hadrosaurids
containsGenus Corythosaurus NERFINISHED
Edmontosaurus NERFINISHED
Hadrosaurus NERFINISHED
Lambeosaurus NERFINISHED
Maiasaura NERFINISHED
Parasaurolophus NERFINISHED
crestFunctionHypothesis acoustic resonance for sound production
sexual selection
species recognition
visual display
diet herbivorous
extinctionEvent Cretaceous–Paleogene extinction event NERFINISHED
extinctionStatus extinct
feedingAdaptation ability to process tough vegetation
highly efficient chewing mechanism
firstAppearance Cenomanian
fossilEvidence abundant in Late Cretaceous formations of western North America
numerous bonebeds indicating mass mortality events
geographicDistribution Antarctica NERFINISHED
Asia NERFINISHED
Europe NERFINISHED
North America NERFINISHED
South America NERFINISHED
geologicalPeriod Cretaceous NERFINISHED
kingdom Animalia
lastAppearance Maastrichtian
locomotion bipedal
facultatively quadrupedal
notableSubgroup Lambeosaurinae NERFINISHED
Saurolophinae NERFINISHED
order Ornithischia NERFINISHED
phylum Chordata
reproduction oviparous
sensoryAdaptation well-developed eyesight
well-developed hearing
socialBehavior evidence for herding behavior
likely gregarious
suborder Ornithopoda NERFINISHED
superfamily Hadrosauroidea NERFINISHED
temporalRange Late Cretaceous
typicalHabitat coastal plains
floodplains
terrestrial environments

Referenced by (3)

Full triples — surface form annotated when it differs from this entity's canonical label.

Dinosauria hasMember Hadrosauridae
Edmontosaurus annectens family Hadrosauridae
Edmontosaurus annectens subfamily Hadrosauridae
this entity surface form: Saurolophinae