Mángano, M. G. & Buatois, L. A., 2011.
Timing of infaunalization in shallow-marine early Paleozoic communities in Gondwanan settings: discriminating evolutionary and paleogeographic controls.Palaeontologia Electronica14,
Mikuláš R. & Dronov, A. V. 2005.
Trace fossils.The Sixth Baltic Stratigraphical Conference. Cambrian and Ordovician of St. Petersburg Region, Guidebook for the pre-conference field trip. Dronov, A.V., Tolmacheva T., Raevskaya E. (Eds.), pp. 33-38.
Jensen, S. & Mens, K. 2001.
Trace fossils Didymaulichnus cf. tirasensis and Monomorphichnus isp. from the Estonian Lower Cambrian, with a discussion on the early Cambrian ichnocoenoses of Baltica.Proceedings of the Estonian Academy of Sciences. Geology50,
Palij, V. M., Posti, E. & Fedonkin, M. A. 1983.
Soft-bodied metazoa and animal trace fossils in the Vendian and early Cambrian.Upper Precambrian and Cambrian palaeontology of the East European Platform. Eds: Urbanek, A. & Rozanov, A. Yu. , pp. 56-94.
Palij, V. M. 1976.
Remains of soft-bodied animals and trace fossils from the upper Precambrian and Lower Cambrian of Podolia.Paleontology and stratigraphy of the Upper Precambrian and Lower Paleozoic of the southwest of the East European Platform. Ed. Shulga P. L., pp. 63-77.
Männil, Ralf 1966.
Vertical burrows in Ordovician limestones of the Baltic.The organism and environment in the geological past. Ed: Hecker, R. F., pp. 200-207.