Peridium sp. cf. P. longispinum |
| 1905 (?)Peridium longispinum - Jørgensen p. 135; pl. 15, figs. 75-79; pl. 16, fig. 80 | | 1966 Peridium sp. - Benson p. 362-363; pl. 24, figs. 4-5 | | 1983 Peridium longispinum(?) - Benson p. 506 | | 1987 (?)Phormacantha sp. - Bjørklund and de Ruiter fig. 5, no. 25 |
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