|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Ophiocistioidea - Eucladidae
It was assigned to Ophiuridae by Woodward (1869); to Eucladiidae by Haude and Langenstrassen (1976); to Ophiocistioidea by Sepkoski (2002); and to Eucladidae by Reich and Haude (2004).
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.