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Oklahoma was a terrestrial environment for most of the ensuing Mesozoic era. [3] The Late Triassic Dockum Group of western Oklahoma preserved remains of archosaurs and temnospondyls, although its fossil record is restricted to a narrow region of the panhandle and is far sparser than the equivalent records in Texas, New Mexico, and Arizona. [98]
This list of the Paleozoic life of Oklahoma contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Oklahoma and are between 541 and 252.17 million years of age.
This article contains a list of fossil-bearing stratigraphic units in the state of Oklahoma, U.S. Sites. Group or Formation Period Notes Ada Group/Ada Formation:
This list of the prehistoric life of Oklahoma contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of ...
Madder, cochineal, Mauveine; these words may be unfamiliar but they’re the names of dyes made from a plant, an insect and a chemical that have shaped our world.
The phylogeny (evolutionary "family tree") of molluscs is a controversial subject. In addition to the debates about whether Kimberella and any of the " halwaxiids " were molluscs or closely related to molluscs, [ 5 ] [ 6 ] [ 8 ] [ 9 ] debates arise about the relationships between the classes of living molluscs. [ 7 ]
A beautiful home in a historic Oklahoma neighborhood. In the late 1970s, a well-meaning homeowner in a small Oklahoma town tacked a plaque at his front door declaring his property’s unimportant ...
This is a list of malacologists, scientists who study mollusks, such as snails, clams, cephalopods, and others, in a discipline named malacology. People who specialize in studying only or primarily the shells of mollusks are sometimes called conchologists instead of malacologists.