|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Helcionelloida - Helcionellida - Helcionellidae
It was synonymized subjectively with Bemella by Landing (1988).
It was assigned to Securiconidae by Missarzhevsky (1989); to Helcionelloida by Sepkoski (2002); to Scenellidae by Bouchet et al. (2005); and to Helcionellidae by Parkhaev (2002) and Wagner (2017).
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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.