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Trilobita - Lichida - Lichidae
It was reranked as Ceratarges by Thomas and Holloway (1988), Basse (1998), Sepkoski (2002), Jell and Adrain (2003) and Pollitt et al. (2005).
It was assigned to Lichas by Gürich (1901); to Lichida by Sepkoski (2002); to Lichidae by Basse (1998) 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.