Just for completeness, the following is (I believe) a full list of screensavers the package provides that aren't mentioned in its description:
abstractile cwaves kaleidescope kumppa lcdscrub ljlatest loop m6502 maze petri popsquares qix -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/696213 Title: xscreensaver-data-extra is missing screensavers -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs