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|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Trilobita - Proetida - Aulacopleuridae
It was assigned to Otarionidae by Whittington (1941); to Aulacopleurinae by Thomas and Owens (1978); to Proetida by Sepkoski (2002); and to Aulacopleuridae 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.