1887 Dictyoceras bombus - Haeckel p. 1325; pl. 71, fig. 10 |
1913, ?Theopilium pyramidale - Popofsky p. 376, Pl. 37, fig. 1 |
1966 Dictyoceras cf. pyramidale - Benson p. 419-422; pl. 28, fig. 11 |
1971 Lipmanella bombus - Petrushevskaya p. 220; fig. 101 |
1972 Lipmanella tribranchiata - Dumitrica p. 840; pl. 25, figs. 3-5 |
1983 Lipmanella tribranchiata - Benson p. 505; pl. 9, fig. 1 |
1987 Lipmanella bombus - Boltovskoy and Riedel p. 100; pl. 5, fig. 5 |
1995 Eucyrtidium anomalum forma bombus - van de Paverd p. 242-243; pl. 71, figs. 8-9; pl. 73, figs. 3a-3b |
1998 Lipmanella bombus - Boltovskoy fig. 15.133 |