Dinosaur

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Dinosaur : any of a group (Dinosauria) of extinct often very large chiefly terrestrial carnivorous or herbivorous reptiles of the Mesozoic era — Merriam-Webster See also OneLook

Encyclopedia

Dinosaurare a diverse group of reptiles of the clade Dinosauria. They first appeared during the Triassic period, between 243 and 233.23 million years ago, although the exact origin and timing of the evolution of dinosaurs is the subject of active research. They became the dominant terrestrial vertebrates after the Triassic–Jurassic extinction event 201 million years ago; their dominance continued through the Jurassic and Cretaceous periods. Reverse genetic engineering and the fossil record both demonstrate that birds are modern feathered dinosaurs, having evolved from earlier theropods during the late Jurassic Period. As such, birds were the only dinosaur lineage to survive the Cretaceous–Paleogene extinction event 66 million years ago. Dinosaurs can therefore be divided into avian dinosaurs, or birds; and non-avian dinosaurs, which are all dinosaurs other than birds. — Wikipedia

Dinosaur (Encyclopædia Britannica)

Dinosaur Facts (American Museum of Natural History)
Dinosaur Pages (University of California Museum of Paleontology)
The Dino Directory (Natural History Museum)
Dinosaurs (WolframAlpha)

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Inspiration

Talks about Dinosaurs (TED: Ideas Worth Spreading)
Articles about Dinosaurs (Big Think)

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Innovation

Science

Paleontology, also spelled palaeontology or palæontology, is the scientific study of life that existed prior to, and sometimes including, the start of the Holocene epoch (roughly 11,700 years before present). It includes the study of fossils to classify organisms and study their interactions with each other and their environments (their paleoecology). Body fossils and trace fossils are the principal types of evidence about ancient life, and geochemical evidence has helped to decipher the evolution of life before there were organisms large enough to leave body fossils. Estimating the dates of these remains is essential but difficult: sometimes adjacent rock layers allow radiometric dating, which provides absolute dates that are accurate to within 0.5%, but more often paleontologists have to rely on relative dating by solving the “jigsaw puzzles” of biostratigraphy (arrangement of rock layers from youngest to oldest). — Wikipedia

Paleontology (Encyclopædia Britannica)

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Preservation

Library

DDC: 567.90 Dinosaurs (Library Thing)
Subject: Dinosaurs (Library Thing)

Subject: Dinosaurs (Open Library)

LCC: QE 862.D5 Dinosaurs (UPenn Online Books)
Subject: Dinosaurs (UPenn Online Books)

LCC: QE 862.D5 Dinosaurs (Library of Congress)
Subject: Dinosaurs (Library of Congress)

Subject: Dinosaurs (WorldCat)

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Participation

Education

Dinosaurs (Ology, American Museum of Natural History)
Dinosaurs (Science Trek)

MERLOT: Multimedia Educational Resource for Learning and Online Teaching
OER Commons: Open Educational Resources

Community

More News …

Dinosaurs News -- ScienceDaily All about dinosaurs. Read about dinosaur discoveries including gigantic meat-eating dinosaurs, earliest dinosaurs and more. Dinosaur pictures and articles.

Do some mysterious bones belong to gigantic...
on April 9, 2024 at 4:39 pm
Several similar large, fossilized bone fragments have been discovered in various regions across Western and Central Europe since the 19th century. The animal group to which they belonged is still the subject of much debate to this day. A study could now settle this dispute once and for all: The microstructure of the fossils indicates that they come from the lower jaw of a gigantic ichthyosaur. These animals could reach 25 to 30 meters in length, a similar size to the modern blue whale.
Dinosaur study challenges Bergmann's rule
on April 6, 2024 at 3:18 am
A new study calls into question Bergmann's rule, an 1800s-era scientific principle stating that animals in high-latitude, cooler climates tend to be larger than close relatives living in warmer climates.
Early dinosaurs grew up fast, but they weren't...
on April 3, 2024 at 9:09 pm
The earliest dinosaurs had rapid growth rates, but so did many of the other animals living alongside them, according to a new study.
Alaska dinosaur tracks reveal a lush, wet...
on March 13, 2024 at 2:10 am
A large find of dinosaur tracks and fossilized plants and tree stumps in far northwestern Alaska provides new information about the climate and movement of animals near the time when they began traveling between the Asian and North American continents roughly 100 million years ago.
Higher carnivorous dinosaur biodiversity of...
on March 12, 2024 at 5:38 pm
An international team of palaeontologists applied recently developed methods to measure theropod (carnivorous) dinosaur species diversity. The newly applied method uses both traditional phylogenetic analysis, discriminant analysis as well as machine learning.

Phys.org - latest science and technology news stories Phys.org internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine.

Exceptionally well-preserved shark fossils from...
on April 24, 2024 at 2:29 pm
An international team of archaeologists, paleontologists, evolutionists and geoscientists has analyzed ancient shark fossils from the time of the dinosaurs that were recently unearthed in Mexico. In their paper published in the journal Proceedings of the Royal Society B: Biological Sciences, the group describes the condition of the fossils and where they fit in the shark family.
Prehistoric lake sturgeon is not endangered, US...
on April 22, 2024 at 5:30 pm
Lake sturgeon don't need Endangered Species Act protections, federal wildlife officials announced Monday, saying that stocking programs have helped the prehistoric fish return to areas where they had vanished.
Paleontologists unearth what may be the largest...
on April 17, 2024 at 6:00 pm
The fossilized remains of a second gigantic jawbone measuring more than two meters long has been found on a beach in Somerset, UK. Experts have identified the bones as belonging to the jaws of a new species of enormous ichthyosaur, a type of prehistoric marine reptile. Estimates suggest the oceanic titan would have been more than 25 meters long.
Marine plankton behavior could predict future...
on April 17, 2024 at 3:00 pm
Marine communities migrated to Antarctica during the Earth's warmest period in 66 million years long before a mass-extinction event.
Study shows insect diet is reflected by the wear...
on April 16, 2024 at 4:44 pm
Show me your jaw and I'll tell you what you eat: This could be the motto of a study conducted at Kiel University (CAU) and the University of Tokyo. The researchers investigated whether the wear and tear on insect mouthparts can be used to determine their eating habits.

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Related

Here are links to pages about closely related subjects.

Knowledge Realm

Terrestrial (Earth)

Sphere Land, Ice, Water (Ocean), Air, Life (Cell, Gene)
Ecosystem Forest, Grassland, Desert, Arctic, Aquatic

Tree of Life
Microorganism Virus
Prokaryote Archaea, Bacteria
Eukaryote Protist, Fungi, Algae, Protozoa (Tardigrade)
Plant Flower, Tree
Animal
Invertebrate
Cnidaria Coral, Jellyfish
Cephalopod Cuttlefish, Octopus
Crustacean Lobster, Shrimp
Arachnid Spider, Scorpion
Insect Ant, Bee, Beetle, Butterfly
Vertebrate
Fish Seahorse, Ray, Shark
Amphibian Frog, Salamander
Reptile Turtle, Tortoise, Dinosaur
Bird Penguin, Ostrich, Owl, Crow, Parrot
Mammal Platypus, Bat, Mouse, Rabbit, Goat, Giraffe, Camel, Horse, Elephant, Mammoth
Walrus, Seal, Polar Bear, Bear, Panda, Cat, Tiger, Lion, Dog, Wolf
Cetacean Whale, Dolphin
Primate Monkey, Chimpanzee, Human

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Notes

1. The resources on this page are are organized by a classification scheme developed exclusively for Cosma.