The fifteenth section of the Saṃyuttanikāya.
It contains a collection of sayings on the incalculable beginning of saṃsāra (S.ii.178 ff).
After the Third Council, the Thera Rakkhita, who went to Vanavāsa, taught the Anamatagga Saṃyutta there and converted 60,000 persons (Mhv.xii.32 f).
On the fourth day of Mahinda’s visit to Sri Lanka he taught this Saṃyutta in the Nandanavana in Anurādhapura (Mhv.xv.186; Sp.i.81; Mbv.114).
The Pātheyyaka monks became Arahants after listening to the Buddha teaching the Anamataggāni. DhA.ii.32.