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meiofauna

British  
/ ˈmaɪəʊˌfɔːnə /

noun

  1. the component of the fauna of a sea or lake bed comprising small (but not microscopic) animals, such as tiny worms and crustaceans

"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

Other Word Forms

Derived Forms

Etymology

Origin of meiofauna

C20: from Greek meiōn less + fauna

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.

Becker-Kerber, who is now conducting postdoctoral research at Harvard University, explains that if the marks had truly been left by animals, they would represent evidence of meiofauna during the Ediacaran period.

From Science Daily • May 12, 2026

Fossil evidence clearly shows meiofauna existed during the Cambrian, but the new findings suggest they may not have been present earlier in the way some scientists proposed.

From Science Daily • May 12, 2026

Thiel was interested in the region’s largely unstudied meiofauna — the tiny animals that live on and between the nodules.

From Nature • Jul. 23, 2019

Living between the wet sand grains is a whole universe of microscopic life: the meiofauna.

From Scientific American • Sep. 16, 2013

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