|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Trilobita - Phacopida - Encrinuridae
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.
|G. D. Edgecombe et al. 1998||Lasaguaditas with tubercles against librigenal lateral border furrow becoming subdued on posterior part of border; anterior furrow on librigena moderately deep; 13-14 pygidial axial rings, usually 62 ribs; anterior pleural bands suppressed in holaspides.|