Big Pig Archaeotherium

Big Pig Archaeotherium.jpg

Scientific Name

Archaeotherium Megalochoerus zygomaticus

Time Period

Oligocene

Age (years old)

35 million years

Found

Brule Formation, South Dakota

Real or Cast

Real

Library Department

Children's

Library Location

West Wall Play Area

Citation

“Big Pig Archaeotherium,” Boyle County Public Library Special Collections, accessed December 16, 2025, https://archives.boylepublib.org/items/show/7836.