Exuviae
1. (Science: zoology) cast skins, shells, or coverings of animals; any parts of animals which are shed or cast off, as the skins of snakes, the shells of lobsters, etc.
2. (Science: geology) The fossil shells and other remains which animals have left in the strata of the earth.
Origin: L, fr. Exuere to draw out or off, to pull off.
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