bilaterian
bilaterian noun: any animal that has bilateral symmetry, collectively grouped in the clade Bilateria.

Noun
bilaterian (plural bilaterians or bilateria)
- Any animal that has bilateral symmetry, collectively grouped in the clade Bilateria.
- Whatever the phylogenetic relationship among bilaterians and the diploblastic phyla, there was clearly a significant expansion in genomic information within the internode that connects the bilaterian clade to other branches.2005, N. S. Sharma, Continuity And Evolution Of Animals, page 91
- Lacking body cavities and both circulatory and excretory organs, with subepidermal nerve plexuses and 'brains' represented, if at all, by thickened anterior commissures, and with simple reproductive set-ups, acoels come close to representing a model stem ancestor for bilaterians.2007, J. W. Valentine, “Seeing ghosts: Neoproterozoic bilaterian body plans”, in Patricia Vickers-Rich, Patricia Komarower, editors, The Rise and Fall of the Ediacaran Biota, page 372
bilaterian meaning in Persian
bilaterian in Persian
- any animal that has bilateral symmetry, collectively grouped in the clade Bilateria
- دوسوئی
Forms of bilaterian
| plural | bilaterians |
|---|---|
| plural | bilateria |
Origin of bilaterian
Compare bilateral.
Words formed from bilaterian
Questions about bilaterian
- What does bilaterian mean?
- Bilaterian means any animal that has bilateral symmetry, collectively grouped in the clade Bilateria.
- What is bilaterian in Persian?
- Bilaterian in Persian is دوسوئی. See Bilaterian meaning in Persian.
- What part of speech is bilaterian?
- Bilaterian is a noun.
- What is the plural of bilaterian?
- The plural of bilaterian is bilaterians.
Words near bilaterian in the dictionary
Source and license
Adapted from Wiktionary: bilaterian (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
Last updated:
Cite this entry: “bilaterian.” Word.ws, https://word.ws/bilaterian. Based on Wiktionary, CC BY-SA 4.0.
