fossil sea urchin otherwise known echinoid
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fossil sea urchin otherwise known echinoid |
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| navigate by keyword : characteristic fivepettaled sedimentary echinoderm radiating seaurchin undefined echinoid division segments ecihnoid symmetry fossils sealife fossil urchin marine mouth five anus case side sea |
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| These fossils have a characteristic division into five segments radiating out from the anus (in this case). The mouth is on the other side. |
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Stockphotos.ro (c) 2025. All stock photos are provided by Dreamstime and are copyrighted by their respective owners. |
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