1887 Lithostrobus hexagonalis - Haeckel p. 1475; pl. 79, fig. 20 |
1966 Lithostrobus cf. hexagonalis - Benson p. 508-510; pl. 35, figs. 1-2 |
1968 Lithostrobus sp. cf. L. hexagonalis - Nigrini p. 58; pl. 1, fig. 10 |
1974 Lithostrobus hexagonalis - Renz p. 794; pl. 16, fig. 19 |
1976 Lithostrobus hexagonalis - Renz p. 123-124; pl. 5, fig. 15 |
1981 Lithostrobus hexagonalis - Takahashi and Honjo p. 153; pl. 9, fig. 10 |
1983 Lithostrobus sp. cf. L. hexagonalis - Benson p. 505 |
1987 Lithostrobus hexagonalis - Boltovskoy and Riedel p. 100; pl. 5, fig. 11 |
1991 Lithostrobus hexagonalis - Takahashi p. 122; pl. 41, figs. 1-3 |
1992 Lithostrobus sp. cf. L. hexagonalis - Nigrini and Caulet p. 148; pl. 3, figs. 3-4 |
1995 Periarachnium hexagonale - van de Paverd p. 229; pl. 68, fig. 7 |
1998 Lithostrobus hexagonalis - Boltovskoy fig. 15.141 |
1998 Lithostrobus hexagonalis - Danelian and Frydas p. 141; pl. 5, fig. 13 |