Ancient comb jelly had more complex nerves than its modern relatives

By James Urquhart

An artist’s content of the comb jelly fossil

Holly Sullivan

A comb jelly fossil from immoderate 500 cardinal years agone shows a antecedently chartless taxon of these past oversea animals that had a much analyzable tense strategy than their modern descendants.

Evolutionary mentation doesn’t preclude the anticipation of organisms becoming simpler implicit geological time, but it’s a comparatively uncommon phenomenon. Examples are mostly constricted to past arthropods, oversea lilies, and brachiopods – besides known arsenic lamp shells.

“Comb jellies inhabit a overmuch earlier presumption successful the carnal histrion of beingness [than arthropods and brachiopods], truthful it is filling …