Ilokelesia: Profile of the ‘Flesh Lizard’ Dinosaur Ilokelesia Ilokelesia (ih-loh-keh-LEE-zee-uh; “flesh lizard”) is a genus of abelisaurid theropod dinosaur that lived during the Late Cretaceous period, specifically the Cenomanian stage, about 99 to 95 million years ago. Its fossils were discovered in what is now the Patagonia region of Argentina, South America. The name “Ilokelesia” […]
Imperobator: Profile of a Prehistoric Giant Imperobator Imperobator (im-PAIR-oh-BAY-tor; “Commanding warrior”) is a genus of theropod dinosaur that lived during the Late Cretaceous period, about 71 million years ago, in what is now James Ross Island, Antarctica. The name comes from the Latin word “imperare,” meaning “to command,” and “bator,” a Mongolian word for “warrior.”
Incisivosaurus: Profile of a Prehistoric Giant Incisivosaurus Incisivosaurus (in-SY-sih-voh-SAWR-us; “incisor lizard”) is a genus of small, feathered theropod dinosaur that lived during the Early Cretaceous period, approximately 126 million years ago. Its fossils were discovered in the Yixian Formation in Liaoning Province, China. The name Incisivosaurus refers to its most unusual feature: a pair of
Indosaurus: Profile of a Prehistoric Giant Indosaurus Indosaurus (IN-doh-SAWR-us; “Indian lizard”) is a genus of abelisaurid theropod dinosaur that lived during the Late Cretaceous period, approximately 70 to 66 million years ago. Its fossils have been found in what is now India. Indosaurus was first named and described by paleontologists Friedrich von Huene and Charles
Indosuchus Indosuchus (IN-doh-SOOK-us; “Indian crocodile”) is a genus of abelisaurid theropod dinosaur that lived during the Late Cretaceous period, specifically the Maastrichtian stage, approximately 70 to 66 million years ago. Its fossils were discovered in the Lameta Formation in what is now Jabalpur, India. Indosuchus was first scientifically described in 1933 by paleontologists Friedrich von
Ingentia: Profile of a Prehistoric Giant Ingentia Ingentia (in-JEN-tee-ah; “Immense One” or “Huge One”) is a genus of very large, early sauropodomorph dinosaur that lived during the Late Triassic period, approximately 210 to 205 million years ago. Its fossils were discovered in the Balde de Leyes Lagerstätte, part of the Quebrada del Barro Formation in
Inosaurus Inosaurus (EYE-no-SAWR-us; “Irhazer lizard”) is a genus of theropod dinosaur that lived during the Early Cretaceous period, approximately 112 million years ago, in what is now Niger, Africa. The name refers to the Irhazer Group, the geological formation where its fossils were discovered. Inosaurus was first described by French paleontologist Albert-Félix de Lapparent in
Invictarx: Profile of a Prehistoric Giant Invictarx Invictarx (in-VIK-tarks; “Unconquerable Fortress”) is a genus of nodosaurid ankylosaur dinosaur that lived during the Late Cretaceous period, approximately 75 to 73 million years ago. Its fossils were discovered in the Menefee Formation of New Mexico, USA. The name Invictarx comes from the Latin words “invictus” meaning “unconquered”
Irisosaurus: Profile of a Prehistoric Giant Irisosaurus Irisosaurus (EYE-riss-oh-SAWR-us; “Rainbow lizard”) is a genus of sauropodomorph dinosaur that lived during the Early Jurassic period, approximately 201 to 190 million years ago. Fossils of this plant-eating dinosaur were discovered in the Lufeng Formation in Yunnan Province, China. The name Irisosaurus, meaning “rainbow lizard,” was given by
Irritator: Profile of a Prehistoric Giant Irritator Irritator (IH-rih-TAY-tor; “Irritator”) is a genus of spinosaurid theropod dinosaur that lived during the Early Cretaceous period, approximately 110 million years ago, in what is now Brazil. The name refers to the feeling of irritation experienced by paleontologists who found that the only known skull had been damaged
