|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Echinoidea - Cidaroida
It was assigned to Cidarinae by Fell (1966); to Cidaroida by Sepkoski (2002); to Cidaridae by Ragaini (1994), Smith (2009) and Hostettler and Menkveld-Gfeller (2015); and to Cidaridea by Smith (2015) and Bischof et al. (2018).
|Year||Name and author|
|1883||Plegiocidaris Pomel p. 109|
|1966||Plegiocidaris Fell p. U337|
|1994||Plegiocidaris Ragaini p. 289|
|2002||Plegiocidaris Sepkoski, Jr.|
|2015||Plegiocidaris Hostettler and Menkveld-Gfeller p. 216|
|2015||Plegiocidaris Smith p. 33|
|2018||Plegiocidaris Bischof et al. p. 20|
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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.