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About: Megabias     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : dbo:Disease, within Data Space : dbpedia.org associated with source document(s)

Type: disease New Facet based on Instances of this Class

A megabias, or a taphonomic megabias, is a large-scale pattern in the quality of the fossil record that affects paleobiologic analysis at provincial to global levels and at timescales usually exceeding ten million years. It can result from major shifts in intrinsic and extrinsic properties of organisms, including morphology and behaviour in relation to other organisms, or shifts in the global environment, which can cause secular or long-term cyclic changes in preservation.