|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Tergomya - Tryblidiida - Tryblidiidae
It was reranked as Pilina by Knight and Yochelson (1960), Starobogatov (1970) and Sepkoski (2002).
It was assigned to Tryblidium by Koken and Perner (1925); to Tryblidiinae by Knight and Yochelson (1960); to Tryblidiidae by Starobogatov (1970); and to Tryblidiida by 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.