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Paracenoceras calloviense
Taxonomy
Nautilus calloviense was named by Oppel (1858).
It was recombined as Nautilus (Paracenoceras) calloviensis by Jeannet (1951); it was recombined as Paracenoceras calloviensis by Kummel (1956); it was recombined as Paracenoceras calloviense by Bardhan et al. (1994), Jain et al. (2024).
It was recombined as Nautilus (Paracenoceras) calloviensis by Jeannet (1951); it was recombined as Paracenoceras calloviensis by Kummel (1956); it was recombined as Paracenoceras calloviense by Bardhan et al. (1994), Jain et al. (2024).
Sister species lacking formal opinion data