|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Echinoidea - Clypeasteroida - Echinarachniidae
It was reranked as Scutella (Echinarachnius) by Clark (1909); it was corrected as Echinarachinus by Wagner (1974).
It was assigned to Echinoidea by Pack (1909); to Scutella by Clark (1909); to Scutellidae by Grant and Hertlein (1938); to Scutellidae by Clark and Twitchell (1915) and Cooke (1942); to Echinarachniidae by Durham (1966) and Wagner (1974); and to Clypeasteroida by Sepkoski (2002).
|Year||Name and author|
|1825||Echinarachnius Gray p. 428|
|1909||Scutella (Echinarachnius) Clark p. 140|
|1909||Echinarachinus Pack p. 281|
|1915||Echinarachnius Clark and Twitchell p. 195|
|1938||Echinarachnius Grant and Hertlein p. 56|
|1942||Echinarachnius Cooke p. 16|
|1966||Echinarachnius Durham p. U481|
|1974||Echinarachinus Wagner p. 109|
|2002||Echinarachnius Sepkoski, Jr.|
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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.