| 1878 Amphistylus neptunus - Haeckel pl. 17, fig. 6 | | 1887 Stylatractus neptunus - Haeckel pl. 17, fig. 6 | | 1958 Stylatractus neptunus - Riedel p. 226, pl. 1, fiig. 9 | | 1967 Stylatractus sp. - Petrushevskaya p. 27, fig. 15. I-IV | | 1979 Stylatractus spp. - Nigrini and Moore p. S55, pl. 7, figs. 1a, b | | 1982 Stylatractus neptunus - Blueford pl. 6, fig. 8 | | 1990 Stylatractus neptunus - Abelmann pl. 2, figs. 8, 9 |
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