Naugolnykh, Serge V. 2012. “Sporophyll Morphology and Reconstruction of the Heterosporous Lycopod Tomiostrobus Radiatus Neuburg Emend. From the Lower Triassic of Siberia (Russia)”. Journal of Palaeosciences 61 ((1-2):387-405. https://doi.org/10.54991/jop.2012.362.