|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Lingulata - Acrotretida - Acrotretidae
It was assigned to Acrotretidae by Henningsmoen (1952), Williams et al. (2000) and Popov (2000); and to Acrotretida by Bengtson (1992) and Sepkoski (2002).
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.