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|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Rostroconchia - Ribeirioida - Ischyriniidae
It was reranked as the family Ischyriniidae by Pojeta and Runnegar (1976), Bouchet et al. (2010) and Wagner (2017).
It was assigned to Ischyrinoida by Pojeta and Runnegar (1976); to Rostroconchia by Bouchet et al. (2010); and to Ischyrinioidea 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.