Some Thallonians had joined Starfleet by 2377, such as Jang Si Naran, who serves aboard Deep Space 9. (DS9 novel: Warpath) The Thallonians are referred to as The New Ones by the Priatians. Among their people, dreams could be indicators of prescience, and they should be studied for the slightest hint of what they may reveal about the future. (NF novel: After the Fall)