Collections Search for objects: 9 matching records Animal/vegetable/mineral Zoology (9) Taxonomic groups SpatagocystisAnimalia (9)Echinodermata (9)Echinoidea (9)Holasteroida (9)Pourtalesiidae (9)Spatagocystis challengeri (9) Name Spatagocystis challengeri (9) Form Dry (1) Area or Water body Eastern Indian Ocean (9)Indian Antarctic Ridge (9) Holding institution Natural History Museum, London (8)Museum of Comparative Zoology, Harvard University (1) Station 157 Sea urchin (Spatagocystis challengeri) Sea urchin (Spatagocystis challengeri) Sea urchin (Spatagocystis challengeri) Sea urchin (Spatagocystis challengeri) Sea urchin (Spatagocystis challengeri) Sea urchin (Spatagocystis challengeri) Sea urchin (Spatagocystis challengeri) Sea urchin (Spatagocystis challengeri) Sea urchin (Spatagocystis challengeri) [1]