prebilaterian

English

Etymology

pre- +‎ bilaterian

Adjective

prebilaterian (not comparable)

1. prior to the evolution of the bilaterians
   • 2015 July 31, “Gene Expression Data from the Moon Jelly, Aurelia, Provide Insights into the Evolution of the Combinatorial Code Controlling Animal Sense Organ Development”, in PLOS ONE‎^[1], →DOI:

     Thus there is a strong, but not perfect, correlation between those tissues expressing so + eya and retinal development in metazoans, reflecting some combination of derivation from antecedent organs [4 ], parallel deployment of the regulatory apparatus for eye development (e.g. [37 ]), and /or retention of a common prebilaterian role for these genes in photosensory system development [15 ].