DVL-0087Specimen Record

Pteranodon

Pteranodon longiceps

AI Reconstruction of Pteranodon longiceps, generated in 2026

teh-RAN-oh-don LONG-ee-seps

✦ Not a DinosaurPterosaurs were flying reptiles that lived alongside the dinosaurs — a closely related but entirely distinct lineage.

Pteranodon longiceps was a large toothless pterosaur that soared over the Western Interior Seaway of North America during the Late Cretaceous. With wingspans reaching 6 meters and a distinctive backward-pointing cranial crest, it remains one of the most recognizable and well-studied flying reptiles ever discovered.

Did you know?

Over 1,100 Pteranodon specimens have been discovered, making it the best-known pterosaur species

About

Pteranodon longiceps was a magnificent flying reptile that dominated the skies above the shallow sea that once divided North America. Unlike its distant cousin Pterodactylus, Pteranodon was completely toothless, possessing a long, narrow beak perfectly adapted for snatching fish from the water's surface while in flight. Its most striking feature was a prominent backward-projecting , which varied dramatically between individuals—males bore elongated crests sometimes exceeding 80 centimeters, while females displayed shorter, rounded versions.

This pterosaur's skeleton was a masterwork of biological engineering for flight. Hollow, bones reduced weight dramatically, allowing an animal with a 6-meter wingspan to weigh less than 20 kilograms. The elongated fourth finger supported the wing membrane, while the other three fingers formed small claws at the wing's leading edge. On the ground, Pteranodon walked quadrupedally, folding its wings and using all four limbs.

Thousands of Pteranodon specimens have been recovered from Kansas chalk deposits, making it one of the best-represented pterosaurs in the fossil record. These sediments preserve an ancient marine environment where Pteranodon likely spent its days soaring on thermals, scanning for fish, ammonites, and small marine creatures below. The abundance of fossils has revealed remarkable insights into growth patterns, sexual dimorphism, and population structure—transforming our understanding of pterosaur biology and cementing Pteranodon's place as an icon of prehistoric life.

First described1876
Discovered byOthniel Charles Marsh
Type specimenYPM 1177, Yale Peabody Museum of Natural History