A compendium of the Abhidhamma written by Anuruddha, incumbent of the Múlasoma Vihára (For details see P.L.C. 168-72). A tíká called the Porána Tíká exists, written by Navavimalabuddhi of Ceylon (Compendium of Philosophy, Preface ix).
Other explanatory works on the Abhidhammattha-sangaha are those by Sumangala and Chappata, the Síhalavyákhyána by Candagomi, the Anutíká by Vepullabuddhi, two Navánutíká, one by Ariyavamsa and the second by an unknown author, and a Vivarana. See Sas.69. 71; Svd.1202, 1223; Gv. 64, 65, 75.
According to Gv.(p.71) the work was written at the request of an upásaka named Nambha (Nampa).