Animal Dürer imagined might make you richer soon (10)

I believe the answer is:

rhinoceros

I'm a little stuck... Click here to teach me more about this clue!

'animal' is the definition.
(I've seen this before)

'durer imagined might make you richer soon' is the wordplay.
'richer soon' can be anagrammed to 'RHINOCEROS'.
But, I am not sure how the anagram is indicated.

Can you help me to learn more?

(Other definitions for rhinoceros that I've seen before include "Black/white horned herbivore" , "Pachyderm" , "Horned mammal" , "Ionesco's work" , "Endangered animal" .)

I've seen this clue in The Independent.

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