|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Helcionelloida - Helcionellida - Stenothecidae
It was synonymized subjectively with Anabarella by Gravestock et al. (2001) and Parkhaev (2001).
It was assigned to Mollusca by Sepkoski (2002); to Helcionellidae by Skovsted and Peel (2007); and to Stenothecidae by Elicki (1994) 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.