†family Zannichelliaceae Chevallier
Angiospermae - Alismatales - Zannichelliaceae
Parent taxon: Alismatales according to D.J. Mabberley 2000
Sister taxa: Alismataceae, Aponogetonaceae, Butomaceae, Cymodoceaceae, Hydrocharitaceae, Juncaginaceae, Maundiaceae, Pennipollis, Posidoniaceae, Potamogetonaceae, Ruppiaceae, Scheuchzeriaceae, Thalassocharis, Tofieldiaceae, Zosteraceae
Subtaxa: Lepilaena Zannichellia
Ecology: "photoautotroph"
Distribution:
• Quaternary of the United Kingdom (2 collections), United States (1: Washington)
• Pliocene of China (1), Germany (1), the Russian Federation (1)
• Miocene of Poland (1)
Total: 7 collections each including a single occurrence