text: |Basic info||Taxonomic history||Classification||Relationships|
  |Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
  Gastropoda - Euomphalina - Elasmonematidae
  It was reranked as Anematina by Knight et al. (1960), Sepkoski (2002) and Mazaev (2015).
  It was assigned to Strophostylus by Knight (1933); to Archaeogastropoda by Sepkoski (2002); and to Elasmonematidae by Knight et al. (1960) and Mazaev (2015).
  If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
  |J. B. Knight 1933||The species of this subgenus differ from those of the typical subgenus in that they consist of forms without ornamentation (or with revolving ornamentation on the base) and with very narrow umbilici.|