| 1905 Ceratospyris hyperborea - Jørgensen p. 130-131; pl. 13, fig. 49 |
| 1966 Ceratospyris polygona - Benson p. 321-324 (in part); pl. 22, figs. 17-18 (not figs. 15-16) |
| 1972 Ceratospyris hyperborea - Goll p. 962 |
| 1974 Ceratospyris sp. aff. C. sp. A - Renz p. 789; pl. 19, fig. 8 |
| 1976 Lophospyris pentagona hyperborea - Goll p. 400, 402; pl. 14, figs. 4-6, 8-9, 11-12; pl. 15 |
| 1976 Ceratospyris sp. A - Renz p. 173; pl. 8, fig. 9 |
| 1983 Lophospyris pentagona hyperborea - Benson p. 505 |
| 1987 Lophospyris pentagona hyperborea - Bjørklund and de Ruiter fig. 6, no. 19 |
