Source: Zootaxa http://www.mapress.com/zootaxa/2010/f/z02571p052f.pdf Via: io9 http://io9.com/5621249/ultra+tiny-frogs-discovered-living-like-faeries-inside-pitcher-plants/gallery/
"Beyonce, a demal Dachshund mix is a little dog with a big name. Beyonce may set the world record for the tiniest dog. She was so small at birth she fit in a spoon. Beyonce was the last of her litter to be delivered and she was born without a heartbeat. Veterinarians revived her and now she's a star."