†Karatubulus nodosus Missarzhevsky and Mambetov 1981 (demosponge)
Full reference: V. V. Missarzhevsky and A. M. Mambetov. 1981. Stratigrafiya i fauna pogranichnykh sloyev Kembriya i Dokembriya Malogo Karatau [Stratigraphy and fauna of the Precambrian-Cambrian boundary beds of the Malyy Karatau]. Trudy Ordena Trudovogo Krasnogo Znameni Geologicheskiy Institut Akademiya NAUK SSSR 326:1-90
Belongs to Karatubulus according to V. V. Missarzhevsky and A. M. Mambetov 1981
Sister taxa: none
Type specimen: Its type locality is Aktugay, bed 7, which is in an Atdabanian marine dolomite/sandstone in the Shabakty Formation of Kazakstan
Ecology: stationary intermediate-level epifaunal suspension feeder