Heliocidaris crassispina A. Agassiz 1863 (formerly Anthocidaris crassispina) |
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Family: Echinometridae |
Order: Echinoida |
Locality: Japan, Muroto Promontory (Pacific), Muroto, Kochi, Rocky zone, 1m |
Dimensions: 69 Ø x 35 mm |
Japanese name: Murasaki-uni Remark: The arcs of pore pairs are separated by two tubercles. |