titanosaur: Quick Facts

Written and fact-checked by

The Information Architects of Encyclopaedia Britannica

Facts

Also Known As	Titanosauria

Photos

Argentinosaurus

Patagotitan mayorum

Rapetosaurus krausei

Illustration of the giant sauropod dinosaur Dreadnoughtus, shown with a long neck and tail, standing next to a much smaller elephant for size comparison. Scale bars indicate 3 meters and 9 feet, with text noting Dreadnoughtus measured 85 feet (25.9 meters) from head to tail.

See All Images →

Topics

Titanosaurs: 8 of the World’s Biggest Dinosaurs Rapetosaurus Saltasaurus Argentinosaurus Patagotitan Titanosauridae Titanosaurus Dreadnoughtus Cretaceous Period Late Jurassic Epoch Europasaurus

Sea otter (Enhydra lutris), also called great sea otter, rare, completely marine otter of the northern Pacific, usually found in kelp beds. Floats on back. Looks like sea otter laughing. saltwater otters

Animal Group Names

Mute swan with cygnet. (birds)

Match the Baby Animal to Its Mama Quiz

The bearded vulture (Gypaetus barbatus) is seen in Switzerland on December 2024

Animal Factoids

Lion (panthera leo)

Deadliest Animals Quiz

Young chimpanzee dressed in a shirt and sweater vest, scratching his head thinking. (primates)

Wild Words from the Animal Kingdom Vocabulary Quiz