FIG. 3. — A1-A3 in Antaganides n. gen., a new genus of Middle Jurassic nautiloid, ancestor of Pseudaganides Spath, 1927, with discussion on the phyletic origin of the family Pseudonautilidae

FIG. 3. — A1-A3, Antaganides cf. erycinus (Tagliarini,1901), n. comb., specimen 2023.PB.N117, bed 32, viaduc de l'Égray, Upper Bajocian, Niortense Zone; B1-B3, Antaganides sauvageti n. gen., n. sp., holotype (2023.PB.N64), viaduc de l'Égray, Lower Bathonian, Zigzag Zone; C1-C3, Antaganides fournieri n. gen., n. sp., holotype (2023.PB.N105), adult shell, les Hauts-de-Rochefort quarry, Middle Bathonian, Progracilis Zone. *, end of the phragmocone. Scale bars: 2 cm.