Collections Search for objects: 1 matching record Animal/vegetable/mineral Zoology (1) Taxonomic groups CnidariaAnimalia (1)Anthoathecata (1)Hydractinia (1)Hydractinia calcarea (1)Hydractiniidae (1)Hydrozoa (1) Name Hydractinia calcarea (1) Form Microscope slide Area or Water body Simon's Bay, Cape Colony, South Africa (1)Southeast Atlantic Ocean (1) Holding institution University Museum of Zoology, Cambridge (1) Hydrozoan (Hydractinia calcarea) [1]