Debate About Cambrian Lophotrochozoans
Since 1990 there has been intense debate among paleontologists about the evolution in the Early Cambrian period of the "super-phylum" Lophotrochozoa, which is thought to include the modern molluscs, annelid worms and brachiopods, as well as their evolutionary "aunts" and "cousins".
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“Abject flattery and indiscriminate assentation degrade, as much as indiscriminate contradiction and noisy debate disgust. But a modest assertion of ones own opinion, and a complaisant acquiescence in other peoples, preserve dignity.”
—Philip Dormer Stanhope, 4th Earl Chesterfield (16941773)