Dwarf Mammoth Jaw

Dwarf Mammoth Jaw. Mammuthus jeffersoni exilis. Channel Islands of California.

* Size: 20.5 inch x 14.5 inch x 8.5 inch (52cm x 37cm x 21.5cm).
* Museum quality replicas are cast in durable Polyurethane resins.
* Made in USA

Dwarf Mammoths are prehistoric members of the order Proboscidea that, through the process of allopatric speciation on islands, evolved much smaller body sizes (around 1.5-2.3 metres) in comparison with their immediate ancestors. Dwarf elephants are an example of insular dwarfism, the phenomenon whereby large terrestrial vertebrates (usually mammals) that colonize islands evolve dwarf forms, a phenomenon attributed to adaptation to resource-poor environments and selection for early maturation and reproduction.

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