Tuber magnatum pound ($2200–$4800 per kg); as of December 2009 they were being sold at $14,203.50 per kilogram. In November 1999, what was then the largest truffle in the world was found near Buje, Croatia. The truffle weighed and was entered in the "Guinness Book of Records". The record price paid for a single white truffle was set in December 2007, when Macau casino owner Stanley Ho paid $330,000 (£165,000) for a specimen weighing . One of the largest truffles found in decades, it was unearthed near Pisa, Italy, and sold at an auction held simultaneously in Macau, Hong Kong, and Florence.
Largest prehistoric animals monotreme (egg-laying mammal) ever was the extinct long-beaked echidna species known as "Zaglossus hacketti", known from a couple of bones found in Western Australia. It was the size of a sheep, weighing probably up to . The largest cingulate known is "Doedicurus", at long and reaching a mass of approximately "Glyptodon" easily topped and . The largest-known animal of this group was "Deinogalerix", measuring up to in total length, with a skull up to long. It occupied the same ecological niche as dogs and cats today. The largest-known prehistoric lagomorph is Minorcan giant lagomorph ("Nuralagus rex") at . The largest-known