Signor-Lipps effect
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English
[edit]Etymology
[edit]Named after American paleontologists Philip Signor and Jere Lipps, who formally proposed it in 1982.
Noun
[edit]- (paleontology) The principle that due to the incompleteness of the fossil record, the earliest and latest known occurrences of a taxon will almost never represent the ages of the actual earliest and latest organisms belonging to it.