Tanya M. Peres et al. reports that remains of Bos taurus (cow) was found in the Olmec site of La Joya.
Tanya M. Peres, Amber M. VanDerwarker, and Christopher A. Pool, "The Zooarchaeology of Olmec and Epi-Olmec Foodways Along Mexico's Gulf Coast," in The Archaeology of Mesoamerican Animals, ed. Christopher M. Götz and Kitty F. Emery (Archaeobiology 1; Atlanta: Lockwood, 2013), 106
Taxon Bos taurus
Common name cow
Ecological Orientation T
Bezuapan
La Joya 1
San Lorenzo
Tres Zapotes