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Tropidoceras flandrini obtusum
Taxonomy
Cycloceras flandrini obtusa was named by Futterer (1983).
It was recombined as Tropidoceras flandrini obtusum by Smith and Tipper (1996), Hillebrandt (2006).
It was recombined as Tropidoceras flandrini obtusum by Smith and Tipper (1996), Hillebrandt (2006).
Sister species lacking formal opinion data