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The Burgess Shale of British Columbia is famous for its exceptional preservation of mid-Cambrian organisms. Around 69 [1] other sites have been discovered of a similar age, with soft tissues preserved in a similar, though not identical, fashion. Additional sites with a similar form of preservation are known from the Ediacaran [2] and Ordovician ...
It is famous for the exceptional preservation of the soft parts of its fossils. At 508 million years old ( middle Cambrian ), it is one of the earliest fossil beds containing soft-part imprints. During the Cambrian, the ecosystem of the Burgess Shale sat under 100 to 300 metres (330 to 1000 feet) of water at the base of a submarine canyon known ...
Foraminifera (/ f ə ˌ r æ m ə ˈ n ɪ f ə r ə / fə-RAM-ə-NIH-fə-rə; Latin for "hole bearers"; informally called "forams") are single-celled organisms, members of a phylum or class of Rhizarian protists characterized by streaming granular ectoplasm for catching food and other uses; and commonly an external shell (called a "test") of diverse forms and materials.
Estimated to reach 34.2–37.8 cm (13.5–14.9 in) long excluding the frontal appendages and tail fan, [4] Anomalocaris is one of the largest animals of the Cambrian, and thought to be one of the earliest examples of an apex predator, [5] [6] though others have been found in older Cambrian lagerstätten deposits.
Proaulopora is a Cambrian–Ordovician fossil genus of calcareous algae.It has been variously thought to belong to the green algae, red algae or cyanobacteria.It was originally established by the Russian paleontologist Aleksandr Grigoryevich Vologdin [] in 1937, for species known from the Lower Cambrian of the western Altai Mountains.
The preservational mode is only present in the Precambrian, and is restricted to shallow or tidal waters. [1] After this point, organisms such as sponges extracted silica from the oceans in order to construct tests (skeletons), with the result that the surface oceans no longer became supersaturated with respect to silica when evaporation condensed the mineral.
Wahpia is a genus of alga known from the Middle Cambrian Burgess Shale. 33 specimens of Wahpia are known from the Greater Phyllopod bed, where they comprise 0.06% of the community. [ 1 ] References
Graptolite fossils have predictable preservation, widespread distribution, and gradual change over a geologic time scale. This allows them to be used to date strata of rocks throughout the world. [8] They are important index fossils for dating Palaeozoic rocks as they evolved rapidly with time and formed many different distinctive species.