|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Trilobita - Redlichiida - Xystriduridae
It was reranked as the family Xystriduridae by Adrain (2011).
It was assigned to Paradoxididae by Palmer and Gatehouse (1972); to Redlichiida by Kruse (1990) and Whittington et al. (1997); and to Paradoxidoidea by Adrain (2011).
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.