An Algorian mammoth is a creature which originates from Algor.
Algorian mammoths are raised by Algorians for their meat and wool and are exported to other planets as herd animals. (Decipher RPG module: Creatures)
In 2370, when told by Elim Garak that he had taken thirty ccs of triptacederine, Julian Bashir commented that the dosage would be enough to anesthetize an Algorian mammoth. (DS9 episode: "The Wire")