Phorticium pylonium group |
1887 Phorticium pylonium - Haeckel p.709; pl. 49, fig. 10 | 1966 Phorticium pylonium - Benson p. 252-256; pl. 16, figs. 5-9; pl. 17, figs. 1-3 | 1977 Pylospira octopyle? - Molina-Cruz p. 335; pl. 3, fig. 9 | 1979 Pylospira octopyle(?) - Nigrini and Moore p. S139-S140; pl. 17, figs. 6a-6c | 1983 Phorticium pylonium group - Benson p. 506; pl. 7, figs. 15-16 |
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