[Phylogenesis of lamnoid sharks of the Palaeogene and their significance for zonal stratigraphy.] Kruchinina, N.V.; Modzalevskaya, T.L.[Eds]. Filogeneticheskie aspekty paleontologii. Tezisy dokladov 35-01 sessii Vsesoyuznogo paleontologicheskogo obshchestva. [Phylogenetic aspects of palaeontology. Extended abstracts.], Acad. Sci. USSR, All-Union Palaeont. Soc., Leningrad, 1989: 16-17. Chapter pagination: 16-17. 16 [Zoological Record Volume 126]