An Illustrated and Cross-Referenced Glossary of
Malacological and Conchological Terms

by Paul S. Mikkelsen

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Term Definition

PHYLOGENY   The history of the EVOLUTION of various groups or species, usually illustrated with the use of family trees. See also: MONOPHYLY; POLYPHYLY; PARAPHYLY; PHYLOGENOMICS.

See also: ONTOGENY.
See Wikipedia for Ernst Haekel's "Recapitulation Theory" that ontogeny recapitulates phylogeny.

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