Castrada hofmanni | 1921 or earlier | | | Perm. |
Castrada intermedia | 1921 or earlier | | | |
Castrada viridis | 1921 or earlier | | | Perm. |
Castrada neocomensis | 1921 or earlier | | | Perm |
Castrada armata | 1921 or earlier | | | Perm |
Strongylostoma radiata | 1924 or earlier | | | |
Strongylostoma elongatum elongatum | 1924 or earlier | | | |
Rhynchomesostoma rostratum | 1921 or earlier | | | |
Olisthanella truncula | 1921 or earlier | | | |
Olisthanella palmeni | 1921 or earlier | | | |
Mesostoma ehrenbergii | 1921 or earlier | | | |
Mesostoma lingua | 1921 or earlier | | | |
Mesostoma craci | 1921 or earlier | | | |
Mesostoma tetragonum | 1921 or earlier | | | |
Bothromesostoma essenii | 1921 or earlier | | | |
Phaenocora typhlops | 1921 or earlier | | | |
Phaenocora unipunctata | 1921 or earlier | | | |
Rhynchoscolex simplex plotnikovi | 1924 or earlier | | | Perm. |
Macrostomum rostratum | 1960 or earlier | | | Russland. M. phytophilum Leningrad; Perm. Sibirien, Tomsk u.s.w. (Beklemischev). |
Macrostomum distinguendum | 1960 or earlier | | | Russland: Umgebung von Leningrad; Sudmir; Perm; Tomsk (Beklemischev). |
Geocentrophora sphyrocephala | 1921 or earlier | | | Russland: Perm |
Microdalyellia armigera | 1924 or earlier | | | |
Microdalyellia fusca | 1950 or earlier | | | |
Microdalyellia brevimana | 1921 or earlier | | | |
Microdalyellia picta | 1924 or earlier | | | |
Microdalyellia rossi | 1921 or earlier | | | |
Microdalyellia mollosovi | 1921 or earlier | | | |
Microdalyellia nanella | 1921 or earlier | | | |
Gieysztoria expedita | 1924 or earlier | | | Perm. Gouv. Vladimir u. Ivanovo-Vosnesensk. |
Gieysztoria virgulifera | 1921 or earlier | | | Perm |
Sergia sergia | 1927 or earlier | | | |
Castrella vernalis | 1921 or earlier | | | Perm, 29 April, in geringer Zahl zusammen mit Microdalyellia nanella; offenbar eine Frühlingsform wie diese. |
Castrella truncata | 1900 or earlier | | | |