Species
Eutretocystis similis Phleger, 1935
Synonymy list
1935 Eutretocystis similis sp. nov. — Phleger , pp. 200 , fig. 1:1
2016 Echinoencrinites — Paul & Rozhnov , pp. 266
Selection of related publications
Phleger, F. B. 1935. Some Ordovician cystids from Russia. Bulletin of the Museum of Comparative Zoology. Harvard University Museum of Comparative Zoology LXXVI, 5, 193-201.
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Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Echinodermata |
| Subphylum | Blastozoa |
| Class | Rhombifera |
| Superfamily | Glyptocystitoida |
| Family | Echinoencrinitidae |
| Genus | Eutretocystis |
| Species | acutirostris |
| similis |
References based on distribution
- Phleger, 1935 Isvos, Leningrad Oblast Kunda Stage