Quotes Donut - Every paleontologist knows that most new species, genera, and families, and that nearly all categories above the level of family appear in the record suddenly and are not led up to by known, gradual, completely continuous transitional sequences.

Every paleontologist knows that most new species, genera, and families, and that... - George Gaylord Simpson - Quotes Donut

Written By George Gaylord Simpson

Every paleontologist knows that most new species, genera, and families, and that nearly all categories above the level of family appear in the record suddenly and are not led up to by known, gradual, completely continuous transitional sequences.

13 Reads • February 13, 2021