The plural form of epipodium, referring to small appendages or lobes on the foot or base of appendages in marine mollusks.
From Greek 'epi' (upon) + 'podion' (small foot), referring to secondary structures attached to the main foot of mollusk bodies.
Snails and other mollusks have epipodia that are like tiny side fins—they help the animal move sideways across rocks or burrow into sand more efficiently.
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