Suborder Scutellina Genus Dendraster Rank Species | Class Echinoidea Family Dendrasteridae Order Sand dollar | |
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Dendraster ashleyi is an extinct species of sand dollars of the family Dendrasteridae. Fossil of this species have been found in the Pliocene of California (United States), about 5 Mya. They reach a diameter of about 3.5 cm.
References
Dendraster ashleyi Wikipedia(Text) CC BY-SA