Bivalvia - Cardiida - Donacidae
Parent taxon: Donax according to
Sister taxa: Donax (Capsella), Donax (Chion), Donax (Cuneus), Donax (Donax), Donax (Grammatodonax), Donax (Hecuba), Donax (Latona), Donax (Machaerodonax), Donax (Paradonax), Donax (Serrula), Donax (Tembrockia), Donax acutus, Donax asper, Donax bezanconi, Donax carinatus, Donax cuneatus, Donax deltoides, Donax denticulatus, Donax faba, Donax flexuosus, Donax fossor, Donax foucardi, Donax funerata, Donax gonioides, Donax haughtoni, Donax hilairea, Donax idoneus, Donax incerta, Donax latus, Donax obesulus, Donax petersoni, Donax politus, Donax rugosus, Donax scrippsensis, Donax securiformis, Donax serra, Donax striatus, Donax texasianus, Donax triangulata, Donax trigonulus, Donax trueloides, Donax trunculus, Donax veneriformis, Donax vittatus, Donax wiedenmayeri
Subtaxa: Donax (Plebidonax) deltoides
Ecology: facultatively mobile infaunal suspension feeder
Distribution: found only at Ascot Formation (younger), Perth Basin (Pliocene of Australia)