1899 Peridium (?) intricatum - Cleve pl. 2, fig. 8 |
1900 Periplecta intricata - Jørgensen p. 73 |
1905 Plectacantha oikiskos - Jørgensen p. 131-132; pl. 13, figs. 50-58 |
1976 Plectacantha oikiskos - Bjørklund pl. 6, figs. 8-10 |
1998 Plectacantha oikiskos - Bjørklund et al. pl. 2, figs. 28-29 |
2003 Plectacantha oikiskos - Bjørklund and Kruglikova pl. 4, figs. 18-29 |
2003 Plectacantha oikiskos - Cortese et al. p. 69-70 (not figured) |