| Mesostoma ajpetri Nasonov, 1924 | | w | other taxonomic work | |
| Mesostoma armeniacium Plotnikow, 1906 | | w | latest taxonomic authority | |
| Mesostoma climenti Nasonov, 1924 | | w | other taxonomic work | |
| Castrada (Castradella) nigropontica Nasonov, 1919 | [with synonyms] | w | latest taxonomic authority | |
| Castrada (Castrada) tatarica Nasonov, 1924 | | w | latest taxonomic authority | |
| Stenostomum arevaloi Gieysztor, 1931 | [with synonyms] | w | primary taxonomic authority (describer) | 128-130, figs. A-B |
| Dalyellia beltrani Gieysztor, 1931 | | w | primary taxonomic authority (describer) | 137-142 |
| Dalyellia rubra intermedia Gieysztor, 1931 | | w | primary taxonomic authority (describer) | 134 |
| Dalyellia rubra typica Gieysztor, 1931 | | w | primary taxonomic authority (describer) | |
| Gieysztoria beltrani (Gieysztor, 1931) | [with synonyms] | w | primary taxonomic authority (describer) | |
| Gieysztoria rubra intermedia (Gieysztor, 1931) | [with synonyms] | w | primary taxonomic authority (describer) | 134-137, 138, t. 14 f. 6, textf. E, An. |
| Gieysztoria rubra typica (Gieysztor, 1931) | [with synonyms] | w | primary taxonomic authority (describer) | |
| Microdalyellia beltrami (Gieysztor, 1931) | | w | primary taxonomic authority (describer) | |
| Castrada (Castrada) moroderi Gieysztor, 1931 | | w | primary taxonomic authority (describer) | 143-146, Fig. F |
| Macrostomum gracile (2) Gieysztor, 1931 | | w | primary taxonomic authority (describer) | |
| Lutheria moroderi (Gieysztor, 1931) | [with synonyms] | w | primary taxonomic authority (describer) | 145 |
| Dalyellia sp. Gieysztor, 1931 | | - | primary taxonomic authority (describer) | 143 |
| Olisthanella isaevi Nasonov, 1924 | | w | other taxonomic work | 148-149 |