Answer :
1. (Palaeontology) any extinct elephant-like proboscis mammal of the genus Malamute (or Mastodon), common in Pliocene times
2. (Animals) any extinct elephant-like proboscidean mammal of the genus Mammut (or Mastodon), common in Pliocene times
2. (Animals) any extinct elephant-like proboscidean mammal of the genus Mammut (or Mastodon), common in Pliocene times
Mastodons are
extinct relatives of modern elephants. Matrix means an environment or material in which something develops; a surrounding medium or structure.