| 1887 Pterocorys hirundo - Haeckel p. 1318; pl. 71, fig. 4 | | 1958 Pterocorys hirundo - Riedel p. 238; pl. 3, fig. 11; pl. 4, fig. 1; text-fig. 9 | | 1967 Pterocorys (?) hirundo - Petrushevskaya p. 114-116; fig. 67 | | 1979 Dictyophimus hirundo group - Nigrini and Moore pl. 22, figs. 2-4 |
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