Glossary

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siphuncle: tube which connects the mantle cavity to the chambers; it passes through the centre of each septum and connects the chambers

protoconch: the first-formed part of the shell

invertebrate: an animal having no internal skeleton or backbone

nektic: active swimmer

mantle cavity: cavity which houses soft body parts

camerae: internal gas-filled chambers within the shell




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© Sarah Vandervlugt.1998