Gaiozoic Era - Text by M. Alan Kazlev Used to designate the geological period on Earth from the Great Expulsion onwards. Some prefer to imply a shorter time span, given the implications of the Fermi Paradox, and refer to this period as the Gaiacene Epoch.
Holocene Epoch - Text by M. Alan Kazlev and Stephen Inniss On Old Earth the Holocene ("entirely recent") is the most recent but one epoch in geologic time, lasting from about 12,000 BT (10,000 b.c.e.) to the Great Expulsion. This brief span of time from the birth of agriculture until the end of human baseline dominance on the species' home planet was the Golden Age according to most Anthropist sects. It was preceded by the Pleistocene and succeeded by the Gaiacene.