†family Cymodoceaceae Taylor 1895
Liliopsida - Hydrocharitaceae - Alismatidae
PaleoDB taxon number: 55800
Alternative spelling: Cymodoceoideae
Parent taxon: Alismatales according to D.J. Mabberley 2000
Sister taxa: Alismataceae, Aponogetonaceae, Araceae, Butomaceae, Juncaginaceae, Najadaceae, Pennipollis, Posidoniaceae, Potamogetonaceae, Ruppiaceae, Scheuchzeriaceae, Thalassocharis, Zannichelliaceae, Zosteraceae
Subtaxa: Amphibolis, Cymodocea, Halodule, Syringodium, Thalassodendron