article_snippet.sent: While the piece was returned to the Aathal dinosaur museum in Zurich, Switzerland, from which the piece was taken, the piece was slightly damaged.
article_snippet.sent: Museum curator Dr. Thomas Bolliger said: 'It was comparatively undamaged - although one of the arms had broken off. '
article_snippet.sent: A museum spokesman added: 'It is a very valuable but also a very unique fossil and It will be very difficult for anybody to sell or indeed to keep secret given the publicity around the theft.'
article_snippet.sent: a very unique fossil was stolen from a museum and later returned damaged .