Gastropoda - Pyramidelloidea - Streptacididae

Alternative combinations: Aclisina stevansana, Aclisina stevensana, Turritella stevensana

Full reference: F. B. Meek and A. H. Worthen. 1866. Descriptions of invertebrates from the Carboniferous System, Illinois. Geological Survey of Illinois 2:145-411

Belongs to Donaldina according to P. J. Wagner 2011

Sister taxa: 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 swallowiana, Donaldina texana, Donaldina zadoe, Donaldina zardinii

Ecology: epifaunal carnivore

Average measurements (in mm): shell 7.07 x 2.07