In the Principles of Sociology Spencer's most influential ideas have been that of the social organism, of the origination of religion out of the worship of ancestral ghosts, of the natural antagonism between nutrition and reproduction, industrialism and warfare.
Girvanella, found in Cambrian, Ordovician and Silurian rocks, as well as in later deposits, appears to have played a part in the origination of oolitic rock-structure.
Among other things for which he will be remembered was his origination of harvest festivals.
Others are The Primitive Origination of Man (1677); Of the Nature of True Religion, &c. (1684); A Brief Abstract of the Christian Religion (1688).
The movement, in the actual origination of which he had had no share, came to bear his name: it was popularly known as Puseyism (sometimes as Newmania) and its adherents as Puseyites.