Genus
Eutretocystis Phleger, 1935
Current taxon already exists. See initial taxon Echinoencrinites
Taxon ID: 5198
Fossiiliryhmä: Echinodermata
Sisältyy taksoniin: Echinoencrinitidae
Other version of taxon: Echinoencrinites
Ajallinen levinneisyys: Kunda Stage (header.f_taxon_age_within 467.5 – 463.8 header.f_taxon_age_within_unit)
Baltian ja Fennoskandian lajit (tietokannassa olevat)
Luokittelu
| Organism group | Biota |
| Domain | Eukaryota |
| Kingdom | Animalia |
| Phylum | Echinodermata |
| Subphylum | Blastozoa |
| Class | Rhombifera |
| Order | Dichoporita |
| Superfamily | Glyptocystitoida |
| Family | Echinoencrinitidae |
| Subfamily | Gonocrinites |
| Genus | Echinoencrinites |
| Erinocystis | |
| Eutretocystis | |
| Fusicystis | |
| Glaphyrocystis | |
| Proctocystis | |
| Schizocystis | |
| Scoliocystis |