By the way, in checking while mammoths were indeed a genus, I found out some surprising facts. We often think of mammoths and mastodons as close relatives, much as African and Asian elephants are. Instead, I found the following cladogram on Wikipedia:
Stegodons and gomphotheria, by the way, are other extinct probiscideans:
Stegodon
Gomphotherium
Isn’t that interesting? The more you know…
Mmmmmm palaeontology.