H. 4 (1892) Rissoidae - Littorinidae - Turbinidae - Haliotidae - Fissurellidae - Calyptraeidae - Patellidae. II. Gastropoda Opisthobranchiata. III Gastropoda Polyplacophora. 2. Scaphopoda - 3. Pteropoda - 4. Cephalopoda / A. von Koenen
Place and Date of Creation
