Dryptosauroides Dryptosauroides (DRIP-toh-sawr-OY-deez; “Dryptosaurus-like”) Dryptosauroides is a genus of theropod dinosaur named from very incomplete fossil remains discovered in India. It lived during the Late Cretaceous period, approximately 70 to 66 million years ago. The name Dryptosauroides means “Dryptosaurus-like,” reflecting the initial idea that it might be related to Dryptosaurus, a theropod from North America. […]
Dryptosaurus Dryptosaurus (DRIP-toh-SAWR-us; “Tearing Lizard”) Dryptosaurus is a genus of tyrannosauroid theropod dinosaur that roamed eastern North America during the Late Cretaceous period, approximately 67 million years ago. Its name comes from the Greek words “drypto,” meaning “I tear,” and “sauros,” meaning “lizard,” referring to its presumed predatory nature and sharp claws. The first fossils
Dubreuillosaurus: Profile of a Prehistoric Giant Dubreuillosaurus Dubreuillosaurus (doo-BRUH-yil-oh-SAWR-us; “Dubreuil’s lizard”) is a genus of megalosaurid theropod dinosaur that lived during the Middle Jurassic period, about 168 to 166 million years ago, in what is now Normandy, France. Its name honors the Dubreuil family, who found the original fossil remains in 1994. It was first
Duriantherium: Profile of a Prehistoric Giant Duriantherium Duriantherium (doo-ree-AN-theer-ee-um; “Durian beast”) is a genus of small, armored ornithischian dinosaur that lived during the Early Cretaceous period, approximately 130 to 125 million years ago. Fossil remains of this unique dinosaur have been discovered in what is now Southeast Asia, specifically in rock formations in Thailand. The
Duriavenator: Profile of a Prehistoric Giant Duriavenator Duriavenator (DOO-ree-ah-VEN-ah-tor; “Dorset Hunter”) is a genus of megalosaurid theropod dinosaur that roamed the Earth during the Middle Jurassic period, approximately 170 to 168 million years ago. Its fossils were discovered in what is now Dorset, England. The name “Duriavenator” comes from “Duria,” the old Latin name for
Dynamosaurus: Profile of a Prehistoric Giant Dynamosaurus Dynamosaurus (DIE-nuh-mo-SAWR-us; “powerful lizard”) is a name originally given to a genus of large theropod dinosaur that lived during the Late Cretaceous period, approximately 68 to 66 million years ago, in what is now North America. The name was coined by American paleontologist Henry Fairfield Osborn in 1905
Dynamoterror: Profile of a Prehistoric Giant Dynamoterror Dynamoterror (DIE-nah-mo-TERR-or; “power terror”) is a genus of tyrannosaurid theropod dinosaur that lived during the Late Cretaceous period, approximately 78 million years ago, in what is now New Mexico, USA. The name comes from the Greek word “dynamis,” meaning power, and the Latin word “terror.” Dynamoterror was first
Dyoplosaurus Dyoplosaurus (DIE-oh-plo-SAWR-us; “double-armored lizard”) is a genus of ankylosaurid dinosaur that lived during the Late Cretaceous period, approximately 76.5 million years ago, in what is now Alberta, Canada. The name Dyoplosaurus, meaning “double-armored lizard,” refers to the extensive bony armor that covered its body. It was first named and described by paleontologist William A.
Dysalotosaurus: Profile of an Agile Jurassic Herbivore Dysalotosaurus Dysalotosaurus (die-SAL-oh-toh-SAWR-us; “Uncatchable Lizard”) Dysalotosaurus is a genus of swift, herbivorous ornithopod dinosaur that lived during the Late Jurassic period, approximately 155 to 150 million years ago. Its fossils have been discovered in the Tendaguru Formation in Tanzania, Africa. The name Dysalotosaurus reflects its likely agility, suggesting
Dysganus: Profile of a Prehistoric Giant Dysganus Dysganus (DISS-guh-nus; “Rough Enamel”) is a genus of herbivorous ceratopsian dinosaur known only from teeth discovered in Late Cretaceous period deposits, around 76 to 75 million years ago, in what is now Montana, USA. The name, given by paleontologist Edward Drinker Cope in 1876, refers to the worn
