| 1913 Verticillata hexacantha - Popofsky p. 282-283; text-fig. 11 |
| 1966 Verticillata hexacantha - Benson p. 397-399; pl. 26, fig. 3 |
| 1974 Verticillata hexacantha - Renz p.799; pl. 18, fig. 1 |
| 1976 Verticillata hexacantha - Renz p.161-162; pl. 6, fig. 5 |
| 1983 Verticillata hexacantha - Benson p. 510 |
| 1984 Verticillata hexacantha - Nishimura and Yamauchi p. 42-43; pl. 29, figs. 3a-3b |
| 1989 Verticillata hexacantha - Cheng and Yeh p. 186; pl. 9, figs. 7-8 |
| 1991 Pteroscenium pinnatum - Takahashi p. 114; pl. 36, figs. 8-9 |
| 1995 Pteroscenium arcuatum - van de Paverd p. 213; pl. 64, fig. 9, (10?) |
