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type genus

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noun Biology.
the genus that is formally held to be typical of the family or other higher group to which it belongs.
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Origin of type genus

First recorded in 1830–40
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

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Scientific definitions for type genus

type genus
[ tīp ]

The taxonomic genus that is designated as representative of the family to which it belongs. The type genus is usually the first genus in the family to be named, or the genus that is considered most important. Families are named after type genera. For example, the dinosaur Tyrannosaurus is the type genus for the family Tyrannosauridae.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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