1966 Ommatodiscus pantanellii - Benson p. 207-210; pl. 9, figs. 7-8; pl. 10, fig. 1; text-fig. 12 | 1972 Circodiscus microporus - Petrushevskaya and Koslova p. 526; pl.19, figs. 1-7 | 1974 Porodiscus microporus - Renz p. 794; pl. 15, fig. 16 | 1976 Porodiscus microporus - Renz p. 109; pl. 3, fig. 15 |
|
|
|