The Spyorna was an organization within Vulcan society which was a ruling body that was composed of scientists.

At some point before 2270, they found the new pioneered ways in logic by T'Prylla as being unacceptable. Despite her status as a virtual renegade, they made it clear that she was to be recovered at any cost during the crisis that occured in the Black Box Nebula. (TOS novel: Corona (novel))