Collections Search for objects: 2 matching records Animal/vegetable/mineral Zoology (2) Taxonomic groups TritoniidaeAnimalia (2)Gastropoda (2)Mollusca (2)Littorinimorpha (1)Marionia (1)Marionia occidentalis (1)Tritonia (1)Tritonia challengeriana (1) Name Marionia occidentalis (1)Tritonia challengeriana (1) Form Fluid (2) Area or Water body Concepcion Channel, Chile (1)Off Montevideo, Uruguay (1)Southeast Pacific Ocean (1)Southwest Atlantic Ocean (1) Holding institution Natural History Museum, London (2) Station 308 (1) Sea snail (Marionia occidentalis) Sea snail (Tritonia challengeriana) [1]