1872a Lychnocanium praetextum - Ehrenberg p. 316 |
1872b Lychnocanium praetextum - Ehrenberg p. 297; pl. 10, fig. 2 |
1887 Pterocanium virgineum - Haeckel p. 1330; pl. 73, fig. 6 |
1887 Pterocanium praetextum - Haeckel p. 1330-1331 |
1957 Pterocanium praetextum - Riedel p. 86-87; pl. 3, figs. 1-3 |
1966 Pterocanium praetextum - Benson p. 408-410; pl. 27, fig. 6; pl. 28, fig. 1 |
1967 Pterocanium praetextum praetextum - Nigrini p. 68-70; pl. 7, fig. 1 |
1970 Pterocanium praetextum praetextum - Nigrini p. 170; pl. 3, fig. 7 |
1971 Pterocanium praetextum - Casey pl. 23.3, figs. 12-13 |
1971 Pterocanium praetextum - Petrushevskaya p. 230; fig. 114, I-III |
1974 Pterocanium praetextum - Renz p. 795; pl. 17, fig. 8 |
1976 Pterocanium praetextum praetextum - McMillen p. 107; pl. 4, fig. 6 |
1976 Pterocanium praetextum - Renz p. 135; pl. 5, fig, 16b, angular thorax (not 16a) |
1977 Pterocanium praetextum - Molina-Cruz p. 337; pl. 8, figs. 2-3 |
1979 Pterocanium praetextum praetextum - Nigrini and Moore p. N41-N42; pl.23, fig. 2 |
1980 Pterocanium praetextum praetextum - Johnson and Nigrini p. 127; pl. 3, fig. 10 |
1981 Pterocanium praetextum - Takahashi and Honjo p. 153; pl. 9, figs. 5-6 |
1982 Pterocanium praetextum - Molina-Cruz p. 995; pl. 5, figs. 7 |
1983 Pterocanium praetextum praetextum - Benson p. 507 |
1987 Pterocanium praetextum praetextum - Boltovskoy and Riedel p. 100; pl. 5, fig. 13 |
1987 Pterocanium praetextum - Bjørklund and de Ruiter fig. 5, nos. 3-8 |
1991 Pterocanium praetextum praetextum - Takahashi p.115; pl. 36, figs. 15-18 |
1995 Pterocanium praetextum - van de Paverd p. 238 pl. 70, figs. 9-11 |
1998 Pterocanium praetextum group? - Boltovskoy fig. 15.146 |