This list of mythical creatures that begin with this letter and I am constantly gathering information from each continent, and is continually being updated.
Sciritae (Medieval Bestiaries)
The Sciritae (Syrictæ, Syrictae, Sciritai or Skiritai) in Medieval bestiaries and Greek mythology were an Indian tribe with snake-like nostrils in place of a nose and bandy serpentine legs.