|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Trilobita - Agnostida - Diplagnostidae
It was reranked as Pseudagnostus (Pseudagnostina) by Shergold (1977).
It was assigned to Pseudagnostus by Shergold (1977); to Pseudagnostidae by Westrop et al. (1996); to Agnostida by Sepkoski (2002); and to Diplagnostidae by Jell and Adrain (2003).