Kingdom Animalia: Phylum Mollusca

Shell Activities for Kids by Gift of Curiosity
Seashell Identification Lesson 
Snails by Montessori Mom
Montessori Coral Reef Field Guide Index 
Seashells Identification 
Seashells Identification 
Seashells Pictorial 
Seashells Lesson Plan 
Seashells – Links for a Montessori Unit Study by montessori21stcentury