Authenticated (23/09/02) by Dr Nicolas Pilcher. President, International Sea Turtle Society.
Carapace: The top shell of a turtle. In arthropods (insects, crabs etc), the fused head and thorax (the part of the body located near the head) also known as ‘cephalothorax'.
Invertebrates: Animals with no backbone, such as insects, crustaceans, worms, molluscs, spiders, cnidarians (jellyfish, corals, sea anemones), echinoderms, and others.