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#horseshoe crab #limulus #ancient arthropod #living fossil #marine arthropod #chelicerate

⚓️👽🦞

#giant isopod #deep sea #crustacean #ocean floor #weird animal #marine arthropod

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#horseshoe crab #carapace #telson #tail #crab #marine arthropod #armor crab #living fossil

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#horseshoe crab #marine arthropod #carapace shape #telson tail #coastal creature