મિસિસિપી ખીણની આદિમ માછલીઓ લાંબી ચપ્પુ આકારની ચાંચ ધરાવે છે,

duckbills's Usage Examples:

lambeosaurines (hollow-crested duckbills) Amurosaurus, Olorotitan, and Charonosaurus, and the saurolophine (duckbills without hollow crests) Kerberosaurus.

A multiplicity of names resumed, with the American Museum duckbills being known as Diclonius mirabilis, Trachodon mirabilis, Trachodon annectens.

World War I, external track extensions — often called "grousers" or "duckbills" — were added to the outside edges of the trackshoes on armored fighting.

Peter Dodson interpreted similar features in other duckbills as having use in sexual identification.

Like other duckbills, it was a.

had two phalanges, and most derived ornithopods, including hadrosaurs ("duckbills"), lost this digit.

with most duckbills, its skeleton is otherwise not particularly remarkable, although some pelvic details are distinctive.

"Deciphering duckbills: a history in nomenclature".

those belonging to the then largely unknown North American and Asian duckbills, with the femur 50 cm (20 in) long.

Hypacrosaurus is most easily distinguished from other hollow-crested duckbills by its tall neural spines and the form of its crest.

Deciphering duckbills.

dinosaurs as the horned Centrosaurus, Styracosaurus, and Chasmosaurus, fellow duckbills Prosaurolophus, Gryposaurus, Corythosaurus, and Parasaurolophus, tyrannosaurid.

These fossils of small-bodied crested duckbills were interpreted as adults of a distinct lineage of hadrosaurids, the.

Synonyms:

duck-billed, beaked,

Antonyms:

beakless,