It appears to have been an oversight. In fact, there are two ranges that appeared in the June 2011 CMPS Newsletter that were not included in GP's May 2011 list,
$50 FMK 9.720-9.990 sheet
$10 BTZ 2.277-2.278 SNR
The SNDB has not been updated for the 24th edition of Charlton. It would require hours of mundane, repetitive work changing every range from 23rd to 24th as they appear in the SNDB. Maybe now would be a good time to ask for volunteers? Or maybe we should wait until the 25th edition which I'm sure will be released imminently.
Oh, I did add the two ranges above.