|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Helcionelloida - Helcionellida - Carinopeltidae
It was assigned to Cyrtonellida by Sepkoski (2002); to Igarkiellidae by Parkhaev (2002) and Parkhaev and Demidenko (2010); and to Carinopeltidae by 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.
|P. Y. Parkhaev and Y. Demidenko 2010||"Shell cap-shaped, low conical, depressed, and moderately wide. Apex hooked and displaced posteriorly up to posterior apertural margin. Anterior field evenly convex. Posterior field short and concave. Aperture widely oval. Mid-dorsal buttress distinct, separated from rest of shell surface by prominent furrows."|