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taxon

American  
[tak-son] / ˈtæk sɒn /

noun

taxa plural
  1. a taxonomic category, as a species or genus.


taxon British  
/ ˈtæksɒn /

noun

  1. biology any taxonomic group or rank

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

taxon Scientific  
/ tăksŏn′ /
taxa plural
  1. A taxonomic category or group, such as a phylum, order, family, genus, or species.


Other Word Forms

Noun Inflected Forms

Etymology

Origin of taxon

First recorded in 1945–50; from Greek táx(is) “arranged, put in order” + -on neuter noun ending; see taxis 1, -on 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

"The discovery of one lazarus taxon... is an exceptional discovery," said Prof Tim Flannery, a prominent Australian scientist best known for his 2005 The Weather Makers book about climate change.

From BBC Mar. 6, 2026

Such discoveries are known as "lazarus taxon", a term inspired by a biblical figure who was raised from the dead.

From BBC Mar. 6, 2026

"Our study shows that even for a highly adaptable taxon like octopuses, they may not be able to survive future ocean changes."

From Science Daily Apr. 5, 2024

Scientists don't know how widespread Bisgaard taxon 45 is, or if the bacteria exist as normal flora within elephants and other animals.

From National Geographic Dec. 5, 2023

An abbreviated synonymy, in which are listed all combinations and emendations of names and significant contributions to our knowledge of the taxon, is given for each.

From A Taxonomic Revision of the Leptodactylid Frog Genus Syrrhophus Cope by Lynch, John D.

"I think our work highlights why and how biologists can bring their human biases to all aspects of biology, which should be of concern for biologists, regardless of their study taxa, moving forward."

From Salon Apr. 23, 2025

I think our work highlights why and how biologists can bring their human biases to all aspects of biology, which should be of concern for biologists, regardless of their study taxa, moving forward.

From Salon Apr. 23, 2025

They add that knowledge of horizontal transfer mechanisms and putative donor taxa might help to design future intercropping strategies that minimize the risk of transfer of effector genes between closely related Fusarium taxa.

From Science Daily Dec. 5, 2024

Next, they attributed these to ancient taxa based on their size, shape, and contents.

From Science Magazine Nov. 27, 2024

Known geographic distributions of these named taxa are shown in Figure 1.

From A Taxonomic Study of the Middle American Snake, Pituophis deppei by Duellman, William E.

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