Buddhist Dictionary of Pali Proper Names by G P Malalasekera
Sīhalasangha
Sīhalasangha:A sect founded in Pagan by Chapata and his four companions:Rāhula,Ananda,Sīvali and Tāmalinda.
It first enjoyed the patronage of King Narapatisithu,but later the sect split into four sections,each following one of the four theras who had come from Ceylon.Sās.65,66; Bode,op.cit.,19,23f.