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 | |
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| Fossil of Dendraster ashleyi from San Diego Formation, California | |
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| Species: | †D. ashleyi
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| Binomial name | |
| †Dendraster ashleyi (Arnold)
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