Nice list, some good newer rounds out there.From the link above...
The powderless .22 Cap rounds, including BB Cap.
.22 Short, used for target shooting and Olympic and ISSF 25 m Rapid Fire Pistol competition until 2005
.22 Long (obsolete)
.22 Long Rifle (.22 LR), the most common cartridge made
.22 Stinger (slightly longer case, same overall loaded length) - the basis for the .17 HM2 
.22 Winchester Rimfire (.22 WRF) AKA .22 Remington Special (obsolete)
.22 Winchester Magnum Rimfire (.22 WMR)
.17 Hornady Magnum Rimfire (.17 HMR), a .17 caliber based on the .22 WMR case
.17 Hornady Mach 2 (.17 HM2), a .17 caliber based on the .22 Stinger case 
5 mm Remington Rimfire Magnum (recently put back into production by Aguila Ammunition/Centurion)
the 41 RF i was referring to was for the vetterli.. etc...Remington .41 rimfire in the pocket pistols they made back in the day....the bullets would DENT a coffee can at 25 feet...you could alomost see the bullets traveling in the air if you angled your body to the shooter correctly...