Geryoniidae

== Translingual == === Etymology === Geryonia +‎ -idae === Proper noun === Geryoniidae A taxonomic family within the order Trachymedusae – certain deep-sea trachymedusas. ==== Descendants ==== English: geryoniid === See also === Geryoniidae on Wikipedia.Wikipedia Geryoniidae on Wikispecies.Wikispecies Category:Geryoniidae on Wikimedia Commons.Wikimedia Commons