Echinoneoida
{{Short description|Order of sea urchins}}
{{Automatic taxobox
|image = Echinoneus cyclostomus.jpg
|image_caption =Echinoneus cyclostomus
|taxon = Echinoneoida
|authority =
}}
Echinoneoida is an order of echinoderms belonging to the class Echinoidea.{{cite web |title=Echinoneoida |url=https://www.gbif.org/species/5965821 |website=www.gbif.org |access-date=11 June 2021 |language=en}}