Mussaurus ("mouse lizard") was claimed as the smallest dinosaur, but it is now known to be the hatchling of a dinosaur type that was much larger than Compsognathus when fully grown. If birds are advanced dinosaurs, then the smallest dinosaur would be the hummingbird!
pubs.usgs.gov/gip/dinosaurs/sizes.html pubs.usgs.gov/gip/dinosaurs/sizes.html
Frequently Asked Dinosaur Questions: Which dinosaur was the smallest? ... ; Question #4: Which dinosaur was the smallest? ; Answer: The smallest dinosaurs yet discovered are:
www.enchantedlearning.com/subjects/dinosaurs/questions/... www.enchantedlearning.com/subjects/dinosaurs/questions/faq/Smallest.shtml
Dinosaur extremes: the biggest, smallest, fastest, slowest, deadliest, smartest, most plated, most bird-like, widest, and oldest dinosaurs. ... Mussaurus (meaning "mouse lizard") is the smallest complete dinosaur skeleton found, but it is from a hatchling (a baby). It was only 16 inches long (37 cm).
www.enchantedlearning.com/subjects/dinosaurs/allabout/E... www.enchantedlearning.com/subjects/dinosaurs/allabout/Extremes.html
Microceratops , a runner-up in the smallest dinosaur category, was only the size of a rabbit. ... Related content from HighBeam Research on: Smallest Dinosaur: ... This dinosaur was big! Dinosaurs lived long ago. Scientists keep learning new things about dinosaurs. Not long ago, scientists found some bones of a very BIG...
www.infoplease.com/ipa/A0770774.html
From the perspective of some evolutionary biologists, dinosaurs never went extinct: they simply evolved into birds. Based on this reasoning (which not all paleontologists accept), the smallest dinosaur that ever lived is the modern hummingbird, various species of which weigh as little as one-tenth of an ounce...
dinosaurs.about.com/od/typesofdinosaurs/tp/Five-Smalles... dinosaurs.about.com/od/typesofdinosaurs/tp/Five-Smallest-Dinosaurs.htm
Smallest Dinosaur Was 'Roadrunner on Steroids', The newly identified creature weighed less than two pounds and stood a little over 4 feet tall ... LOS ANGELES — Fossil bones housed at a Los Angeles museum belong to the smallest dinosaur discovered in North America, scientists said Tuesday.
www.foxnews.com/story/0,2933,568762,00.html
At 19 inches (50 centimeters) tall, 75-million-year-old Hesperonychus elizabethae is North America's smallest known carnivorous dinosaur, a new study says.
news.nationalgeographic.com/news/2009/03/090316-smalles... news.nationalgeographic.com/news/2009/03/090316-smallest-dinosaur.html
A chicken-size dinosaur with a taste for termites was the "anteater" of its day and may be one of the smallest dinosaurs ever discovered in North America, scientists say. ... At 2.5 feet (0.7 meters) long, the newfound dino is the smallest Alvarezsaur ever found in North America, ... Albertonykus borealis smallest dinosaur...
news.nationalgeographic.com/news/2008/09/080925-smalles... news.nationalgeographic.com/news/2008/09/080925-smallest-dinosaur.html
Dinosaur - Wikipedia, the free encyclopedia
Dinosaurs (Greek: , deinosauros ) were the dominant vertebrate animals of terrestrial ecosystems for over 160 million years, from the late Triassic period (about 230 million years ago) until the en...
en.wikipedia.org/wiki/Dinosaur
At 15-inches-long and weighing fewer than 6 ounces, the slender runner, Parvicursor, takes the cake as the smallest non-avian, extinct dinosaur .
www.livescience.com/mysteries/071204-smallest-dino.html www.livescience.com/mysteries/071204-smallest-dino.html