|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Tergomya - Cyrtonellida - Pollicinidae
It was assigned to Hypseloconidae by Knight and Yochelson (1960); to Helcionellidae by Runnegar and Jell (1976); to Cyrtonellida by Sepkoski (2002); and to Pollicinidae by Evans and Cope (2003).
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.