Do you agree these galaxies could be like sombrero, but seen at different angles?
NGC 4921 http://www.spacetelescope.org/images/heic0901a/
NGC 7049 http://www.spacetelescope.org/images/heic0905a/
NGC 5866 http://www.spacetelescope.org/images/opo0624a/
ESO 510-G13, IRAS 13522-2632 http://www.spacetelescope.org/images/opo0123a/
greetings

JL