Wikipedia is usally pretty comprehensive but seems to list much less ring galaxies than spiral galaxies: https://en.wikipedia.org/wiki/List_of_ring_galaxies ht

Wikipedia is usally pretty comprehensive but seems to list much less ring galaxies than spiral galaxies: https://en.wikipedia.org/wiki/List_of_ring_galaxies https://en.wikipedia.org/wiki/List_of_ring_galaxies Compare with "list of spiral galaxies" - shorter by far. https://en.wikipedia.org/wiki/List_of_spiral_galaxies https://en.wikipedia.org/wiki/List_of_spiral_galaxies