Little pieces of iron dinosaur swallows (8)

I believe the answer is:

rondinos

'little pieces' is the definition.
(short pieces of music)

'of iron dinosaur swallows' is the wordplay.
'of' indicates the answer is hidden within the clue.
'RONDINOS' is hidden within 'iron dinosaur swallows'.

I've seen this clue in The Guardian.

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