Mousy marsupial repulsed sea-ship of history (9)

I believe the answer is:

larapinta

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'mousy marsupial' is the definition.
I don't know anything about this answer so I cannot tell whether it can be defined by this definition.

'repulsed sea-ship of history' is the wordplay.
'repulsed' says the letters should be written backwards.
'sea' becomes 'aral' (I've seen this before).
'ship of history' becomes 'pinta' (I can't explain this - if you can you should give a lot more credence to this answer).
'aral' back-to-front is 'lara'.
'lara'+'pinta'='LARAPINTA'

Can you help me to learn more?

I've seen this clue in the Sydney Morning Herald.

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