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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 prehistoric life of Oklahoma contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of ...
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 ]
In the past, purple has also been produced from sea creatures, notably murex snails. Long the color of nobility and the rich, purple is one of the most difficult natural dyes to achieve.
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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.
George Alan Solem (21 June 1931 – 26 March 1990), [1] [2] known professionally as Alan Solem, was an American malacologist, a biologist who studied mollusks.. He was one of the most renowned land snail experts of his time and had earned a reputation for his comprehensive revisions of mainly terrestrial pulmonates.
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 ...