Eric Walker added Caenogastropoda and Plakobranchidae and It’s a Lefty! Welcome to the World’s First Crispr Snail Baby - The New York Times to Gastropoda, and added Gastropoda to Mollusca

Eric Walker added Elysia atroviridis and Elysia marginata and Elysia (gastropod) - Wikipedia to Elysia, and added Elysia to Plakobranchidae

Eric Walker added Elysia to Plakobranchidae, and added Plakobranchidae to Gastropoda