Jurassic Animals, Dinosaurs & Fossils

457Mesozoic

Incisor, tusk-like and cheek teeth formed an unusual dinosaur dentition.

494Mesozoic

At least seventeen cervical vertebrae produced an unusually long neck for a stegosaur.

505Mesozoic

Entire strap-shaped leaves with dense side veins define a form genus rather than one secure lineage.

539Mesozoic

Rows of armor from neck to tail mark an early split among armored dinosaurs.

551Mesozoic

Thick leathery pinnules and lower-surface stomata helped this seed fern withstand seasonal dryness.

553Mesozoic

Tough pinnate leaves crowned cycad-like trunks around compact flower-like reproductive organs.

563Mesozoic

A single crest running from snout to skull roof gave this medium theropod a distinctive profile.

565Mesozoic

A relatively short neck, strong limbs and primitive vertebrae belonged to a large non-neosauropod herbivore.