|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Trilobita - Corynexochida - Leiostegiidae
It was reranked as Leiostegium (Perischodory) by Berg and Ross (1959); it was reranked as Lloydia (Perischodory) by Lochman (1965).
It was assigned to Leiostegium by Berg and Ross (1959); to Lloydia by Lochman (1965); and to Corynexochida 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.