Paleobiota Of The Morrison Formation
The Morrison Formation is a distinctive sequence of Late Jurassic sedimentary rock that is found in the western United States, which has a wide assortment of taxa represented in its fossil record, including dinosaur fossils in North America. It is composed of mudstone, sandstone, siltstone and limestone and is light grey, greenish gray, or red. Most of the fossils occur in the green siltstone beds and lower sandstones, relics of the rivers and floodplains of the Jurassic period.
(mostly from Foster, with additional material in the mammal section after ; the higher-level classifications will vary as new finds are made.
Read more about Paleobiota Of The Morrison Formation: Amphibians, Arthropods, Choristoderes, Crurotarsans, Fish, Lizards, Mammals, Pterosaurs, Sphenodonts, Turtles, See Also
Famous quotes containing the words morrison and/or formation:
“Everywhere, everywhere, children are the scorned people of the earth.”
—Toni Morrison (20th century)
“... the mass migrations now habitual in our nation are disastrous to the family and to the formation of individual character. It is impossible to create a stable society if something like a third of our people are constantly moving about. We cannot grow fine human beings, any more than we can grow fine trees, if they are constantly torn up by the roots and transplanted ...”
—Agnes E. Meyer (1887–1970)