Species
Heterotrypa obscura (Ulrich, 1882)
Synonymy list
1882     Dekayella obscura — Ulrich , pp. 89, fig. I 4
1908     Dakaya obscura — Cumings , pp. 816, fig. XIV 3
1978     Heterotrypa obscura (Ulrich, 1882) — Astrova , pp. 60
1987     Heterotrypa obscura (Ulrich, 1882) — Pushkin , pp. 176, fig. XIX 2
Selection of related publications
Pushkin, V. I. 1987. Ordovikskie mšanki podotrâda Halloporina Belorussii i smežnyh rajonov Vostočno- Evropejskoj platformy.  Ordovik Belorussii, pp. 145-232.   Nauka i Tehnika. 
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Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Bryozoa | 
| Class | Stenolaemata | 
| Superorder | Palaeostomata | 
| Order | Trepostomata | 
| Suborder | Halloporina (suborder) | 
| Family | Monticuliporidae | 
| Subfamily | Heterotrypinae | 
| Genus | Heterotrypa | 
| Species | astrovae | 
| compressa | |
| frondosa | |
| incrustans | |
| inflectiformis | |
| obscura | |
| praenuntia | |
| ringerikense | |
| semisphaerica | |
| undata | 
References based on distribution
- Pushkin, 1987a Taučionys 49 borehole 420.1 - 420.1
- Pushkin, 1987a Berzini 33 borehole 430.5 - 431