Standard and prow removed from Darwin’s ship (5)

I believe the answer is:

eagle

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'standard' is the definition.
(ancient Roman standard or symbol)

I can't explain the remainder of the clue.

(Other definitions for eagle that I've seen before include "High-flyer" , "Erne, perhaps" , "Hook-billed bird of prey -- old US $10 coin" , "Score of two strokes under par for a golf hole" , "Former US coin" .)

I've seen this clue in The Times.

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