Sentence:  In (part of) Shelley's poem Ozymandias is a "crumbling statue". If this is the explanation then the clue is not a reverse cryptic in the same wasSIC as GEGS -> SCRAMBLED EGGS but a normal clue where whereSIC the <WSD>fodder</WSD> and anagrind are both indirect. 
Meaning of the word marked with <WSD> tags:  The text to be operated on (anagrammed, etc.) within a clue.