|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Rostroconchia - Ribeirioida - Ischyriniidae
It was assigned to Technophoridae by Pojeta and Runnegar (1976); to Ribeirioida by Sepkoski (2002); and to Ischyriniidae by Wagner (2017).
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.