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Hadrosaurus: Profile of a Prehistoric Giant Hadrosaurus Hadrosaurus (HAD-ruh-SAWR-us; “bulky lizard”) is a genus of hadrosaurid ornithopod dinosaur that lived during the Late Cretaceous period, around 80 to 78 million years ago, in what is now New Jersey, North America. The name comes from the Greek words “hadros” meaning bulky or large, and “sauros” meaning […]

“`html Haestasaurus: Profile of a Prehistoric Giant Haestasaurus Haestasaurus (HES-tuh-SAWR-us; “Haesta’s lizard”) is a genus of sauropod dinosaur that lived during the Early Cretaceous period, about 140 to 136 million years ago, in what is now England. Its fossils were discovered in the Hastings Beds of East Sussex. The name Haestasaurus honors Haesta, an early

Hagryphus: Profile of a Prehistoric Giant Hagryphus Hagryphus (HAG-riff-us; “Ha’s griffin”) is a genus of oviraptorosaurian theropod dinosaur that lived during the Late Cretaceous period, approximately 76 to 74 million years ago. Its fossils were discovered in the Kaiparowits Formation of Grand Staircase-Escalante National Monument in southern Utah, USA. The name honors the Ha, the

Hallopus: Profile of an Agile Triassic Archosaur Hallopus Hallopus (HAL-uh-pus; “Leaping foot”) is a genus of small, agile archosaur that lived during the Late Triassic period, around 220 to 208 million years ago, in what is now North America. Its fossils have been found in formations like the Dockum Group in Texas and the Chinle

Halticosaurus: Profile of a Prehistoric Giant Halticosaurus Halticosaurus (HAL-tih-koh-SAWR-us; “Nimble lizard”) is a genus of theropod dinosaur that lived during the Late Triassic period, around 220 to 208 million years ago. Its fossils were discovered in what is now Germany. The name Halticosaurus was given by paleontologist Friedrich von Huene in 1908 and refers to

“`html Hanssuesia Hanssuesia (HANS-SUE-see-ah; “Hans Sues’ reptile”) is a genus of pachycephalosaurid dinosaur, a type of “bone-headed” dinosaur, that lived during the Late Cretaceous period. It existed approximately 76 to 74 million years ago in what is now North America, with fossils discovered in Alberta, Canada, and Montana, USA. The name Hanssuesia honors the paleontologist

“`html Hanwulosaurus Hanwulosaurus (HAN-woo-loh-SAWR-us; “Hanwu’s lizard”) Hanwulosaurus is a genus of iguanodontian ornithopod dinosaur that lived during the Early Cretaceous period, approximately 125 to 110 million years ago. Its fossils have been discovered in what is now northeastern China. The name Hanwulosaurus means “Hanwu’s lizard,” honoring the Hanwu region where the first fossils of this

“`html Haplocanthosaurus: Profile of a Prehistoric Giant Haplocanthosaurus Haplocanthosaurus (HAP-loh-KAN-thuh-SAWR-us; “Simple-spined lizard”) is a genus of sauropod dinosaur that lived during the Late Jurassic period, approximately 155 to 152 million years ago. Its fossils have been discovered in the Morrison Formation in Colorado and Wyoming, North America. The name Haplocanthosaurus refers to the simple, un-split

“`html Haplocheirus: Profile of the ‘Simple Handed’ Dinosaur Haplocheirus Haplocheirus (HAP-loh-KYE-rus; “Simple hand”) is a genus of alvarezsauroid theropod dinosaur that lived during the Late Jurassic period, approximately 161 to 159 million years ago. Its fossils were discovered in the Shishugou Formation of Xinjiang, China. The name Haplocheirus refers to its relatively simple hand structure

Harpymimus: Profile of a Prehistoric Giant Harpymimus Harpymimus (HAR-pih-MIME-us; “Harpy mimic”) is a genus of ornithomimosaurian theropod dinosaur that lived during the Early Cretaceous period, approximately 113 to 100 million years ago. Its fossils were discovered in the Gobi Desert of Mongolia. The name refers to the Harpies of Greek mythology, fearsome winged creatures, and