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.

Dendraster ashley
Fossil of Dendraster ashleyi from San Diego Formation, California
Scientific classification
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D. ashleyi
Binomial name
Dendraster ashleyi
(Arnold)

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