|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Trilobita - Lichida - Lichidae
It was assigned to Tetralichinae by Thomas and Holloway (1988); to Lichida by Sepkoski (2002); to Lichidae by Fortey and Droser (1999) and Jell and Adrain (2003); and to Tetralichini by 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.