Is a 16 year old Yorkshire Terrier the oldest one around?

My mother owned a female Yorkshire Terrier in Australia who lived until the age of 24. I'm not aware of any other Yorkies older than 24,and this was in human years

Billy a Yorkshire Terrier is believed to be the oldest living dog in the world. He is a 22 years old canine , which is equivalent to 154 human years. The current holder of the title with the Guinness World Records is 21 year old kelpie cross Sako from Melbourne, Australia.