The age of a giant squid can be determined by " growth rings " in the statocyst's statolith, similar to determining the age of a tree by counting its rings.
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Though the statocyst has a broader range of duties in organisms without them, it's not clear to me whether dizziness can occur in that situation . talk ) 20 : 36, 12 October 2015 ( UTC)
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Echinoderms have a simple radial nervous system that consists of a modified nerve net consisting of interconnecting neurons with no central brain, although some do possess order Apodida have a single statocyst adjoining each radial nerve and some have an eyespot at the base of each tentacle.
