Genus
Polyptychella Jaekel, 1918
Aiheeseen liittyvät julkaisut
Bekker, H. 1921. The Kuckers stage of the Ordovician Rocks in NE Estonia. Acta et Commentationes Universitatis Tartuensis II, 1, 1-92.
List of species
1. Polyptychella esthona Jaekel, 1918 | Kukruse Stage
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Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Echinodermata |
| Subphylum | Blastozoa |
| Class | Eocrinoidea |
| Order | Digitata |
| Simonkovicrinida | |
| Trachelocrinida | |
| Family | Bolboporitidae |
| Cryptocrinitidae | |
| Genus | Gadovocrinus |
| Polyptychella | |
| Species | esthona |