Cidaridae
Eucidaris tribuloides (Lamarck, 1816)
Eucidaris tribuloides (Lamarck, 1816)
Eucidaris tribuloides, the slate pencil urchin, is a cidaroid sea urchin native to the Atlantic Ocean.
Eucidaris thouarsii (L.Agassiz & Desor, 1846)
Eucidaris thouarsii (L.Agassiz & Desor, 1846)
Eucidaris thouarsii, the slate pencil urchin, is a cidaroid sea urchin found in shallow East Pacific littoral areas.
Eucidaris galapagensis Döderlein, 1887
Eucidaris galapagensis Döderlein, 1887
Eucidaris galapagensis, the slate pencil sea urchin, is a echinoderm found in Eastern Pacific coastal reef areas.
Eucidaris metularia (Lamarck, 1816)
Eucidaris metularia (Lamarck, 1816)
Eucidaris metularia is a primitive, ancient banded-spined sea urchin found across shallow to deep Indo-Pacific habitats.
Chondrocidaris gigantea A.Agassiz, 1863
Chondrocidaris gigantea A.Agassiz, 1863
Chondrocidaris gigantea, the rough-spined sea urchin, is a primarily herbivorous urchin found in the Central Pacific and Mauritius on deep coral reefs.
Stylocidaris affinis (Philippi, 1845)
Stylocidaris affinis (Philippi, 1845)
Stylocidaris affinis is a species of sea urchin found in multiple Atlantic and Mediterranean locations.
Phyllacanthus imperialis (Lamarck, 1816)
Phyllacanthus imperialis (Lamarck, 1816)
Phyllacanthus imperialis is a Indo-Pacific night-feeding sea urchin species with distinctive thick blunt spikes.
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