| 1957 Panarium penultimum - Riedel p.76, pl. 1, fig. 1 | | 1978 Ommatartus penultimus - Westberg and Riedel p. 22, pl. 2, figs. 6-8 | | 1980 Ommatartus penultimus - Sakai p. 708, pl. 3, figs. 3a, 3b, 4a, 4b, 5a, 5b | | 1980 Didymocyrtis penultima - Sanfilippo and Riedel p.1010, pl. 1, fig. f | | 1985 Didymocyrtis penultima - Morley pl.8, fig. 1 |
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