before present

"By 8 million years before present, there's maybe a 5% chance that CO2 levels were higher than today," Bowen said, "but really we have to go back 14 million years before we see levels we think were like today."

Since the initial discovery, other isolated bones and claws of Megalonyx have been found in Eastern Washington Scablands’ megaflood deposits and dated at 12,100 years before present.

Patricia’s time is Oligocene time, from 23 million to more than 30 million years before present.

While the exact time of Patricia’s site isn’t known, it is more than 23 million years before present.

The panel is referred to in government documents as the committee for “holistic study of origin and evolution of Indian culture since 12,000 years before present and its interface with other cultures of the world.”