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Close up of the head of the Ice Cream Cone worm, along with detail of cast, or shell.
Ice Cream Cone worms actually live upside down on the sea floor. The
head of the worm possesses comb-like structures that rake through the
sand as other feeding tentacles pick out food. The tube can be up to 3
inches long and protect the soft parts of the animal. It is also
commonly referred to as a tusk worm. Note the mosaic like pattern of
Image: James Turner, Amgueddfa Cymru
Discover more of these remarkable images on the Up Close With Nature online gallery on 'Rhagor', the collections based website from Amgueddfa Cymru - National Museum Wales.