|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Rostroconchia - Ribeirioida - Ischyriniidae
It was corrected as Eoischyrina by Pojeta and Runnegar (1976) and Sepkoski (2002).
It was assigned to Ischyriniinae by Kobayashi (1933); to Ribeirioida by Sepkoski (2002); and to Ischyriniidae by Pojeta and Runnegar (1976) and Wagner (2020).
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.