1959, Fries devided this tribus into two subtribus, viz. Rhodopolii and Plutei. In accordance with the International Code of Botanical Nomenclature (I.C.B.N.) art. 22.4 these subtribus are to be typified with Agaricus rhodopolius and A. pluteus respectively.
1965, A Revision of the West African Eilemic Moths, Based on the Male Genitalia, It might therefore be justified to separate them from the remaining genera of the subfamily Lithosinae as a tribus with two subtribus, or as two tribus.
1973, F. Bohlmann, Naturally Occurring Acetylenes, The differences in the constituents in the two subtribus are not very clear.----
