|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Trilobita - Lichida - Lichidae
It was assigned to Ceratarginae by Chatterton and Perry (1977); to Lichida by Sepkoski (2002); to Lichidae by Ebach and Ahyong (2001) and Jell and Adrain (2003); and to Trochurinae by Thomas and Holloway (1988) and Pollitt et al. (2005).
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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.