Tenontosaurus: Profile of a Prehistoric Giant Tenontosaurus Tenontosaurus (tuh-NON-toe-SAWR-us; “sinew lizard”) is a genus of medium-sized ornithopod dinosaur that roamed what is now North America during the Early Cretaceous period, approximately 125 to 105 million years ago. The name Tenontosaurus refers to the system of stiff, bony tendons (ossified tendons) that ran along its back […]
Teratophoneus: Profile of a Prehistoric Giant Teratophoneus Teratophoneus (TER-uh-toh-FOH-nee-us; “Monstrous murderer”) is a genus of tyrannosaurid theropod dinosaur that roamed what is now Utah, USA, during the Late Cretaceous period, specifically the Campanian stage, about 77 to 76 million years ago. The name comes from the Greek words “teras” meaning monster and “phoneus” meaning murderer,
Teratosaurus: Profile of a Prehistoric Giant Teratosaurus Teratosaurus (teh-RAT-oh-SAWR-us; “Monster lizard”) Teratosaurus is a genus of large predatory archosaur that lived during the Late Triassic period, around 228 to 208 million years ago, in what is now Germany. The name Teratosaurus comes from Greek words meaning “monster lizard,” reflecting its fearsome appearance when its fossils,
Termatosaurus: Profile of a Prehistoric Giant Termatosaurus Termatosaurus (TER-mah-toh-SAWR-us; “End lizard”) Termatosaurus is a genus of extinct archosaur, specifically a type of phytosaur, that lived during the Late Triassic period, approximately 228 to 201 million years ago. Its fossils, primarily teeth and jaw fragments, have been found in Europe, including countries like Germany, France, and
Tethyshadros – Dino Encyclopedia Tethyshadros Tethyshadros (TEE-this-HAD-ross; “Tethys hadrosaur”) is a genus of hadrosauroid dinosaur that lived during the Late Cretaceous period, approximately 72 to 70 million years ago. Its fossils were discovered in what is now northeastern Italy, which at the time was an island in the Tethys Ocean. The name Tethyshadros reflects this
Texacephale Texacephale (TEX-uh-SEF-uh-lee; “Texas head”) is a genus of pachycephalosaurid dinosaur that lived during the Late Cretaceous period, specifically the late Campanian stage, about 75 to 72 million years ago. Its fossils were discovered in the Aguja Formation in Big Bend National Park, Texas, USA. Texacephale was named and described by paleontologists Nicholas R. Longrich,
Texasetes Texasetes (TEX-a-SEE-teez; “Texas inhabitant”) Texasetes is a genus of nodosaurid ankylosaurian dinosaur that lived during the Early Cretaceous period, approximately 112 to 108 million years ago (from the late Aptian to early Albian stages). Its fossils were discovered in what is now Texas, United States. The name Texasetes, meaning “Texas inhabitant,” was given to
Teyuwasu: Profile of a Prehistoric Giant Teyuwasu Teyuwasu (TEH-yoo-WAH-soo; “Big Lizard”) is a genus of archosaur reptile that lived during the Late Triassic period, about 237 to 228 million years ago. Its fossils were discovered in what is now southern Brazil, in rocks belonging to the Santa Maria Formation. The name Teyuwasu comes from the
Thanatosdrakon: Profile of a Prehistoric Giant Thanatosdrakon Thanatosdrakon (tha-NAH-toes-DRAH-kon; “Death Dragon”) is a genus of giant azhdarchid pterosaur, a type of flying reptile that lived alongside dinosaurs. It soared through the skies during the Late Cretaceous period, approximately 86 million years ago, in what is now Argentina, South America. The name Thanatosdrakon combines the Greek
Thanatotheristes: Profile of a Prehistoric Giant Thanatotheristes Thanatotheristes (Tha-NA-toh-the-RIS-teez; “Reaper of Death”) is a genus of tyrannosaurid theropod dinosaur that roamed what is now Alberta, Canada, during the Late Cretaceous period, approximately 79.5 million years ago. Its name comes from the Greek words “Thanatos,” meaning death, and “theristes,” meaning reaper or harvester, referring to its
