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.