1900 Hexacontium enthacanthum - Jørgensen p. 52; pl. 2, fig. 14; pl. 4, fig. 20 | 1905 Hexacontium enthacanthum - Jørgensen p.115; pl. 8, figs. 30 a-b | 1909 Hexacontium enthacanthum - Schröder p. XVII 11; figs. 3a-d | 1976 Hexacontium enthacanthum - Bjørklund pl. 1, figs. 1-3 | 1998 Hexacontium enthacanthum - Cortese and Bjørklund pl. 1, figs. 12-20 |
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