4-476: (Redirected from Twitya ) Nimbia may refer to: Nimbia occlusa , a form of Ediacaran fossil The Nimbia dialect of the Gwandara language Topics referred to by the same term [REDACTED] This disambiguation page lists articles associated with the title Nimbia . If an internal link led you here, you may wish to change the link to point directly to
8-728: A large range of time, which lends weight to theories that the fossil does not represent a single animal species. It occurs in the Twitya Formation in the Mackenzie Mountains in Canada dated at 610 million years ago, near the end of the Marinoan glaciation, and in 770 million years ago rocks in Kazakhstan. Aspidella also appears in these areas. Morania and Beltina carbonaceous film fossils in
12-481: A thick rim around the margin. Within the rim the fossil is usually flat, but may have a central nipple or dimple. These fossils were generally believed to be those of cnidarians , but they have since been reinterpreted as structures made by microbial colonies (Grazhdankin, see Ediacaran biota for references and discussion). They can reach up to 6 cm in diameter, with a centimeter-thick rim. Some fossils are distorted. Nimbia occurs in numerous locations across
16-426: The intended article. Retrieved from " https://en.wikipedia.org/w/index.php?title=Nimbia&oldid=933018209 " Category : Disambiguation pages Hidden categories: Short description is different from Wikidata All article disambiguation pages All disambiguation pages Nimbia occlusa Nimbia occlusa is a form of Ediacaran fossil shaped like a circular or oval disk, with
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