According to JESD79-2 it should be 2KB (16Kb) page. Same could be calculated with basic algebra: 2^10 (bits for column) * 16 (number of DQ) = 16Kb . Is it a mistake?
Look: http://www.intel.com/Assets/PDF/whitepaper/316971.pdf
BTW, it also uses 512 MB instead of 512 Mb and 8K istead of 8KB.