|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Trilobita - Phacopida - Encrinuridae
It was recombined as Physemataspis (Prophysemataspis) uncatus by Lespérance and Desbiens (1995); it was recombined as Prophysemataspis uncatus by Jell and Adrain (2003); it was recombined as Erratencrinurus uncatus by Moss and Westrop (2014).
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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.