Month: July 2025

**Tsintaosaurus: The Duck-Billed Dinosaur from China** Tsintaosaurus is a fascinating dinosaur that lived during the Late Cretaceous period, specifically in the Campanian stage. This dinosaur was discovered in Shandong province, China, and was first described by a paleontologist named C. C. Young in 1958. **What Did Tsintaosaurus Look Like?** Tsintaosaurus was quite large, measuring about …

**Tsagantegia: A Unique Dinosaur** Tsagantegia is a type of dinosaur known as an ankylosaur, which lived in Asia during the Late Cretaceous period about 92 to 86 million years ago. This dinosaur is classified under a group called thyreophorans, which are known for their armor and tough skin. **Discovery of Tsagantegia** The first and only …

Tsaagan is a genus of dinosaur that lived during the Late Cretaceous period, around 75 million years ago, in what is now Mongolia. The name Tsaagan means “white” in Mongolian, and its species name, Tsaagan mangas, translates to “white monster.” This dinosaur was first discovered in 1996 and was initially thought to be a member …

**Troodon: A Fascinating Dinosaur** Troodon is a small dinosaur that lived during the Late Cretaceous period, around 77 million years ago. It is known primarily from a single tooth found in Montana, discovered in 1855. Initially thought to be a lizard, it was later recognized as a dinosaur in the late 1800s. **What Makes Troodon …

Triunfosaurus is an extinct type of dinosaur that lived during the Early Cretaceous period, around 145.5 to 130 million years ago. This dinosaur was discovered in Brazil and is part of a group called sauropods, known for their long necks and large bodies. The name “Triunfosaurus” means “Triunfo Basin reptile.” It was named in 2017 …

**Trinisaura: A Unique Dinosaur from Antarctica** Trinisaura is a type of dinosaur that lived about 73 to 72 million years ago during a time known as the Late Campanian in the Upper Cretaceous period. This little dinosaur roamed what is now James Ross Island, which is off the coast of northern Antarctica near Patagonia. **Discovery** …

**Trimucrodon: A Unique Dinosaur** Trimucrodon is a type of dinosaur that lived during the Late Jurassic period, about 150 million years ago. It was discovered in Portugal’s Lourinhã Formation. The only species known from this genus is called Trimucrodon cuneatus. **How It Got Its Name** Trimucrodon was named in 1973 by Richard A. Thulborn. The …

**Trigonosaurus: The Triangle Lizard** Trigonosaurus is a type of dinosaur that lived a long time ago, during the Maastrichtian period, about 70 to 66 million years ago. This dinosaur was discovered in Brazil, specifically in an area called the Serra da Galga Formation. The name Trigonosaurus means “triangle lizard” because of its triangular shape and …

**Trierarchuncus: A Unique Dinosaur from the Past** Trierarchuncus is a type of dinosaur that lived around 66 million years ago, during the Late Cretaceous period. This dinosaur belongs to a family called Alvarezsauridae and has one known species named Trierarchuncus prairiensis. **Discovery and Naming** The first remains of Trierarchuncus were found in Montana in 1980. …

**Triceratops: The Three-Horned Dinosaur** Triceratops is a well-known dinosaur that lived during the Late Cretaceous period, about 68 to 66 million years ago. It roamed what is now western North America, particularly the land known as Laramidia. **Name and Features** The name Triceratops means “three-horned face” in Greek. The dinosaur had a large body, a …