Collections Search for objects: 4 matching records Animal/vegetable/mineral Zoology (4) Taxonomic groups Animalia (4)Echinodermata (4)Echinoidea (4)Helgocystis (4)Helgocystis carinata (4)Holasteroida (4)Pourtalesiidae (4) Name Helgocystis carinata Form Dry (1) Area or Water body Eastern Indian Ocean (4)Indian Antarctic Ridge (4) Holding institution Natural History Museum, London (3)Museum of Comparative Zoology, Harvard University (1) Station 157 Sea urchin (Helgocystis carinata) Sea urchin (Helgocystis carinata) Sea urchin (Helgocystis carinata) Sea urchin (Helgocystis carinata) [1]