Rhodian was a humanoid race on Rhodia. All but one were destroyed by the Shadow Kin: Charlie, who was brought by the Twelfth Doctor to Coal Hill Academy. (TV: For Tonight We Might Die)
Biology
to be added
Culture
The Rhodians were a cultured, learned society. Homosexuality was more accepted than 21st century Earth. (TV: For Tonight We Might Die)
History
to be added