Also known as bivalves (two valves), the clam family contributes a lot of shell material to the sea floor and beaches. (AmbergrisCaye.com)
«By using this approach, we can grow the core and shell materials independently in their respective nanoreactors,» Lin said. (sciencedaily.com)
Acidifying the ocean is particularly detrimental to organisms that secrete shell material made of CaCO3, such as coral reefs and a type of phytoplankton called coccolithophorids [Kleypas et al., 1999]. (realclimate.org)