Mammothmon

Mammothmon is an Ultimate level mammal Digimon that resembles the Wooly Mammoth.

Digimon Adventure
The first Mammothmon seen was a minion of Myotismon that terrorized Highton Veiw Terrace. He fought Birdramon before the Digivolved to Garudamon and destoryed him.

Digimon 02
It took Arukenimon 200 Control Spires to make a herd of Mammothmon to fight Black War Greymon who easily defeated them. Later on, a bunch of Mammothmon were seen on the India/China border and some were in Siberia. Some were present during the final battle against MaloMyotismon.

Digimon Tamers
A Mammothmon was among the Digimon seen through the rip in the sky during Vikararamon's rampage