Phylogeny of Aphidococca placed on geochronological scale (after Shcherbakov and Popov 2002). Time periods: P1, P2 Early (Lower) and Late (Upper) Permian T1, T2, T3 Early, Middle and Late Triassic J1, J2, J3 Early, Middle and Late Jurassic K1, K2 Early and Late Cretaceous ₽1 Palaeocene ₽2 Eocene ₽3 Oligocene N1 Miocene N2 Pliocene R present time (Holocene).