Species
Cyphotrypa antiqua (Modzalevskaya, 1953)
Synonymy list
1953     Orbignyella antiqua n. sp. — Modzalevskaya , pp. 102, 123, fig. IV 3,4, text fig. 10
1978     Chyphotrypa antiqua (Modzalevskaya, 1953) — Astrova , pp. 112
1985     Orbignyella antiqua Modzalevskaya — Taylor & Curry , pp. 156
2011     Chyphotrypa antiqua (Modzalevskaya, 1953) — Koromyslova , pp. 947
Selection of related publications
Modzalevskaya, E. A. 1953. Trepostomaty ordovika Pribaltiki i ih stratigraficheskoe znachenie.  Trudy Vsesoûznogo Naučno-Issledovatel'skogo Geologo-Razvedočnogo Instituta (VNIGRI)         91-167.  Gostoptehizdat. 
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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 | Cyphotrypa | 
| Species | antiqua | 
| corrugata | |
| insulanus | |
| juruensis | |
| kojimensis | |
| maculata | |
| normalis | 
References based on distribution
- Modzalevskaya, 1953 Lava River, Leningrad Oblast