Maretiidae

{{Short description|Family of sea urchins}}

{{Automatic taxobox

|image = Tiny maretia heart urchin (Maretia planulata).jpg

|image_caption = Maretia planulata

|taxon = Maretiidae

|authority = Lambert, 1905

}}

Maretiidae is a family of echinoderms belonging to the order Spatangoida.{{cite web |title=Maretiidae |url=https://www.gbif.org/species/4876625 |website=www.gbif.org |access-date=14 June 2021 |language=en}}