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Collignoniceras Breistroffer, 1947 sec. Amédro, Robaszynski, Châtelier, Ferchaud & Matrion 2020

Collignoniceras Breistroffer, 1947
Genus
Collignoniceras
Breistroffer, 1947 in
Amédro, Francis, Francis Robaszynski, Hervé Châtelier, Patrice Ferchaud & Bertrand Matrion. 2020 Identification d’un biohorizon d’ammonites à Romaniceras (Romaniceras) marigniacum sp. nov. (Turonien moyen) à la base du Tuffeau Jaune de Touraine (France). Carnets Geol. [formerly Carnets de Géologie - Notebooks on Geology] 20(4): 37-89.