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Trilobita - Lichida - Lichidae
It was reranked as Mephiarges by Thomas and Holloway (1988), Sepkoski (2002) and Jell and Adrain (2003).
It was assigned to Acanthopyge by Edgell (1955); to Trochurinae by Thomas and Holloway (1988); to Lichida by Sepkoski (2002); and to Lichidae by Jell and Adrain (2003).
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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.