Gastropoda - Pyramidelloidea - Streptacididae
Full reference: J. B. Knight. 1933. The gastropods of the St. Louis, Missouri, Pennsylvanian outlier: V. The Trocho-Turbinidae. Journal of Paleontology 7(1):30-58
Parent taxon: Streptacididae according to J. B. Knight et al. 1960
Sister taxa: Jiangxispira, Laxella, Mapesella, Streptacis
Subtaxa: Donaldina americana, Donaldina attenuata, Donaldina barnetti, Donaldina bellilineata, Donaldina costatula, Donaldina filosa, Donaldina fountainensis, Donaldina gigantea, Donaldina gracilis, Donaldina grantonensis, Donaldina knighti, Donaldina marigoldensis, Donaldina media, Donaldina nana, Donaldina ohioensis, Donaldina pulchra, Donaldina pygmaea, Donaldina quadrata, Donaldina quinquecarina, Donaldina robusta, Donaldina stevensana, Donaldina swallowiana, Donaldina texana, Donaldina zadoe, Donaldina zardinii
Ecology: epifaunal carnivore