|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
It was reranked as the subclass Trilobita by Phleger (1933), Mason (1935) and Riccio (1952).
It was assigned to Crustacea by Phleger (1933), Mason (1935) and Riccio (1952); to Arthropoda by Robison and Pantoja-Alor (1968), Bengtson (1992), Sepkoski (2002) and Kihm and St. John (2007); to Euarthropoda by Briggs et al. (2008); and to Mandibulata by Nielsen (2012).
|Year||Name and author|
|1869||Dalmanites troosti Safford|
|1933||Trilobita Phleger, Jr. p. 11|
|1935||Trilobita Mason p. 102|
|1952||Trilobita Riccio p. 29|
|1968||Trilobita Robison and Pantoja-Alor p. 775|
|1992||Trilobita Bengtson p. 1022|
|2002||Trilobita Sepkoski, Jr.|
|2007||Trilobita Kihm and St. John|
|2008||Trilobita Briggs et al. p. 249|
|2012||Trilobita Nielsen p. 244 figs. Fig. 44.2|
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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.