Mitta, V. V.; Sherstyukov, M. P. (2023). On the dimorph pair Lobosphinctes/Planisphinctes (Ammonoidea: Perisphinctidae) from the uppermost Bajocian–lowermost Bathonian of the Kuban River Basin (Northern Caucasus, Russia). Paleontological Journal. 57(3): 307-317.
On the dimorph pair Lobosphinctes/Planisphinctes (Ammonoidea: Perisphinctidae) from the uppermost Bajocian–lowermost Bathonian of the Kuban River Basin (Northern Caucasus, Russia)