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Prehistoric Life

How tall was Mammut americanum?

An adult Mammut americanum stood about 2.9 m (9 ft 6 in) at the shoulder.

What is measured: adult shoulder height

Mammut americanum (2.9 m) drawn to scale beside a doorway (2 m) and a 20-foot shipping container (6.06 m)
Drawn to scale, from left to right: Doorway (2 m), Mammut americanum (2.9 m) and Shipping container (20 ft) (6.06 m).

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How big is that, really?

  • A little taller than a doorway
  • About 1.7× as tall as an adult person
  • About 48% of the length of a 20-foot shipping container
  • About 7.6× as tall as a bowling pin
  • About 24% of the length of a city bus

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Facts about Mammut americanum

American mastodons had molar teeth with pointed cusps suited to browsing on branches, leaves, and other coarse vegetation.

Source: American Museum of Natural History — Mastodons; National Park Service — Mastodons

Prehistoric Life

NameSizeCompared with Mammut americanum
Parapuzosia seppenradensis2.5 m (8 ft 2 in)0.86×
Arthropleura armata2.6 m (8 ft 6 in)0.9×
Mammut americanum2.9 m (9 ft 6 in)this page
Hieraaetus moorei3 m (9 ft 10 in)1×
Mussaurus patagonicus3 m (9 ft 10 in)1×
Aepyornis maximus3 m (9 ft 10 in)1×
Kelenken guillermoi3 m (9 ft 10 in)1×
Macrauchenia patachonica3 m (9 ft 10 in)1×
Gigantopithecus blacki3 m (9 ft 10 in)1×
Glyptodon clavipes3.3 m (11 ft)1.1×

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