Hyolithelminthida - Hyolithellidae

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 Pseudorthotheca according to V. V. Missarzhevsky and A. M. Mambetov 1981

Sister taxa: Pseudorthotheca bistriata, Pseudorthotheca filosa, Pseudorthotheca rara, Pseudorthotheca yichangensis

Type specimen: Its type locality is Koksu, bed 5, which is in a Tommotian marine phosphorite in the Chulaktau Formation of Kazakstan