Suborder Scutellina Scientific name Echinarachnius Rank Genus | Class Echinoidea Family Echinarachniidae Order Sand dollar | |
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Similar Echinarachnius parma, Sand dollar, Dendraster, Mellita, Dendraster excentricus | ||
Echinarachnius is a genus of sand dollars. Species of Echinarachnius have been around since the Pliocene epoch.
References
Echinarachnius Wikipedia(Text) CC BY-SA