Genus
Atactopora Ulrich, 1879
Selection of related publications
Pushkin, V. 2002. Middle Ordovician bryozoa from the Podlasie-Brest Depression (Belarussian part): suborders Ceramoporina, Esthonioporina, Amplexoporina, Halloporina.  Geological Quarterly   46,   4,   411-434.
List of species
1. Atactopora gregariaformis Pushkin, 2002 | Jõhvi Substage
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Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Bryozoa | 
| Class | Stenolaemata | 
| Superorder | Palaeostomata | 
| Order | Trepostomata | 
| Suborder | Amplexoporina | 
| Family | Stenoporidae | 
| Subfamily | Atactotoechinae | 
| Genus | Anomalotoechus | 
| Atactopora | |
| Species | gregariaformis | 
| Genus | Cyphotrypa | 
| Leptotrypa | |
| Leptotrypella | |
| Orbignyella |