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Fossilized shell of the Early-Late Cretaceous ammonoid cephalopod Mariella †Mariella; Martesia †Mediaster †Meekoceras †Meekoceras gracilitatis †Melchiorites †Menuites †Merriamia † Mita – tentative report † Mita †Modiolus †Morenosaurus – type locality for genus †Morenosaurus stocki – type locality for species ...
Dinosaurs and Other Mesozoic Reptiles of California. Berkeley: University of California Press. 318 pp. ISBN 9780520233157. Mayor, Adrienne. Fossil Legends of the First Americans. Princeton University Press. 2005. ISBN 0-691-11345-9. Murray, Marian (1974). Hunting for Fossils: A Guide to Finding and Collecting Fossils in All 50 States. Collier ...
During the Early Cretaceous, new dinosaurs evolved to replace the old ones. Sauropods were still present, but they were not as diverse as they were in the Jurassic Period. Theropods from the Early Cretaceous of North America include dromaeosaurids such as Deinonychus and Utahraptor, the carnosaur Acrocanthosaurus, and the coelurosaur Microvenator.
Millions of prehistoric marine fossils were discovered beneath a California high school over the course of a multi-year construction project. The relics recovered at San Pedro High School included ...
Diagram depicting the soft part anatomy of the sea snail Abyssochrysos † Abyssochrysos – tentative report † Abyssochrysos giganteum – type locality for species † Acaeniotyle † Acaeniotyle umbilicata – or unidentified related form † Acanthoceras † Acanthoceras rhotomagense – or unidentified related form † Acanthoceras roguense – or unidentified related form ...
NEW YORK (AP) — An unusual find in China suggests some early mammals may have hunted dinosaur for dinner. The fossil shows a badgerlike creature chomping down on a small, beaked dinosaur, their ...
The latest dinosaur being mounted at the Natural History Museum in Los Angeles is not only a member of a new species — it's also the only one found on the planet whose bones are green, according ...
Figure 1:In mammals, the quadrate and articular bones are small and part of the middle ear; the lower jaw consists only of dentary bone.. While living mammal species can be identified by the presence of milk-producing mammary glands in the females, other features are required when classifying fossils, because mammary glands and other soft-tissue features are not visible in fossils.