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Learn how many species have been discovered, and see photos and information about over 40 types of dinosaurs.
Jun 7, 2008 · How many types of dinosaurs were there? By Ed Yong. June 07, 2008 ... There are many problems with estimating dinosaur numbers. For a start, the fossil record is incomplete and many species are ...
May 22, 2024 · Dinosaur, the common name given to a group of reptiles, often very large, that first appeared roughly 245 million years ago and thrived worldwide for nearly 180 million years. Most died out by the end of the Cretaceous Period. Many lines of evidence show that one lineage evolved into birds about 155 million years ago.
Nov 16, 2023 · Types of dinosaurs include major groups such as saurischians and ornithischians, which are divided into smaller groups such as theropods and sauropods, which themselves are divided into smaller groups, such as the families Tyrannosauridae, Spinosauridae and Hadrosauridae.
May 14, 2024 · Complete guide to dinosaurs, with list of dinosaurs from each period. Dinosaur evolution, extinction, types, plus interesting facts.
Mar 28, 2018 · How Many Types of Dinosaurs Are There? Triceratops, meaning three-horned face, belongs to the suborder Cerapoda. Dinosaurs were reptiles who first appeared on earth during the Triassic period (between 243 and 231 million years ago). At the time, dinosaurs were the most dominant terrestrial vertebrates on the planet.
