SB 11.16.13
indro ’ham sarva-devanam
vasunam asmi havya-vat
adityanam aham visnu
rudranam nila-lohitah
Translation:
Among the demigods I am Indra, and among the Vasus I am Agni, the god of fire. I am Visnu among the sons of Aditi, and among the Rudras I am Lord Siva.
Purport:
Lord Visnu appeared among the sons of Aditi as Vamanadeva.