Tellus was the Roman earth goddess regularly invoked in agricultural rituals alongside Ceres.
Tellus, also called Terra or Terra Mater, personified the earth as the ground that supports life, crops, and fertility. Ceres represented the productive power of agriculture and grain, while Tellus supplied the earth in which seeds were planted. Roman religious practice could therefore honor them together, especially during rites concerned with sowing and the fertility of fields.
The distinction between Tellus and Terra became less sharp over time. In the Republic and earlier traditions, Tellus was the name of an established earth goddess; during the Imperial period, Tellus and Terra were often treated as essentially the same divine figure. The name Terra is also the source of the modern word “ terrestrial.”
Tellus was counted among Rome’s important agricultural deities and was associated with fertility, marriage, earthquakes, and the natural world. She is easy to confuse with Ops or Ceres, but her defining role is the personification of the earth itself.