Eric Walker added Sea snail - Wikipedia to Muricidae

Eric Walker added Tyrian purple and Sea snail - Wikipedia to Muricidae, and added Muricidae to Muricoidea

Eric Walker added Muricidae to Muricoidea, and added Muricoidea to Neogastropoda

Eric Walker added Collections: Clothing, How Did They Make it? Part IVb: Cloth Money – A Collection of Unmitigated Pedantry and Tyrian purple - Wikipedia to Tyrian purple, and added Tyrian purple to Muricidae and Dyeing