large opening of uncertain function on the snout in front of the eye (antorbital fenestra) and another at the junction of three bones in the lower jaw (mandibular

the longest dinosaur at the quarry from head to tail, over 80 feet long.

were built like huge giraffes; they had immensely long necks and relatively short tails.

lived about 145 million years ago, during the Jurassic period. Part of the theropod family—a group of dinosaurs that ran on two feet—this dino could grow up to 40 feet from head to tail,

large, heavily built, herbivorous quadrupeds with rounded backs, short fore limbs, long hind limbs, and tails held high in the air.

These animals shared the seas with the first aquatic crocodiles, which had fins instead of legs, and with teleosts, predecessors of most fish today.

a vast aquatic reptile with a long neck and fins that gave it a lot of agility to hunt its prey.

a genus of large theropod dinosaur that lived approximately 66 to 68 million years ago during the late

large, quadrupedal, plant-eating ceratopsian dinosaur “three-horned face,”

Fossils have shown that it had quill knobs on its forearms, indicating the presence of feathers.

small, four-winged dinosaur. It had long feathers on its arms, legs, and tail, which suggests it was capable of gliding or possibly even powered flight.

the first true bird, had feathered wings and tail, along with dinosaur-like teeth and a bony tail.

one of the first non-avian dinosaurs discovered with fossilized feathers.

one of the largest known feathered dinosaurs.

diverse group of marine cephalopods, They had coiled shells with intricate chambers and tentacles for feeding.

also known as pelecypods, two shells connected by a hinge and are filter feeders.

were diverse during this period, with genera like Spirifer and Terebratula being common. two shells, but their internal anatomy differs from bivalves.

formed reefs and provided habitat for other marine organisms.

radial symmetry and a spiny or plated exoskeleton.

These arthropods typically had segmented bodies, jointed appendages, and exoskeletons.

They had coiled shells and were part of the marine ecosystems.

a group of mollusks that includes squids, octopuses, and ammonoids,

marine reptiles that resembled dolphins.

herbivorous reptiles with beak-like snouts

including early crocodiles and their relatives, were present.

They belong to a phylum or class of Rhizarian protists characterized by streaming granular ectoplasm for catching food and other uses.