Archipelago morphology includes a rabbit, perhaps (9)

I believe the answer is:

lagomorph

'a rabbit perhaps' is the definition.
(I know that rabbit is a type of leporid)

'archipelago morphology includes' is the wordplay.
'includes' says the answer is hidden in the clue.
'LAGOMORPH' is hidden in the letters of 'archipelago morphology'.

(Another definition for lagomorph that I've seen is " Rabbit, for instance".)

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

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