| 1887 Xanthiosphæra lappacea - Haeckel p. 120, pl. 8, figs. 10-11 | | 1967 Polysolenia lappacea - Nigrini p. 16; pl. 1, figs. 3a, b | | 1979 Polysolenia lappacea - Nigrini and Moore pl. 2, figs. 3a-b | | 1991 Acrosphaera spinosa lappacea - Takahashi pl. 1, fig. 16 |
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