Subphylum
Medusozoa Peterson, 1979
Selection of related publications
Tinn, O., Vinn, O., Ainsaar, L. 2020. The enigmatic cnidarian Martsaphyton moxi gen. et sp. nov. from the Darriwilian (Middle Ordovician) of Estonia. Estonian Journal of Earth Sciences 69, 4, 223-232. DOI:10.3176/earth.2020.12
Stewart, S. E., Clarkson, E. N. K., Ahlgren, J., Ahlberg, P., Schoenemann, B. 2015. Sphenothallus from the Furongian (Cambrian) of Scandinavia. GFF 137, 1, 20-24. DOI:10.1080/11035897.2014.929173
Vinn, O., Kirsimäe, K. 2015. Alleged cnidarian Sphenothallus (Cnidaria?) in the Late Ordovician of Baltica, its mineral composition and microstructure. Acta Palaeontologica Polonica 60, 4, 1001-1008. DOI:10.4202/app.00049.2013
Öpik, A. 1927. Beiträge zur Kenntnis der Kukruse-(C2-) Stufe in Eesti. II. Tartu Ülikooli Geoloogia Instituudi Toimetused 10, 1-35.
List of species
1. Martsaphyton moxi Tinn, Vinn et Ainsaar, 2020 | Aseri Stage
2. Sphenothallus kukersianus (Öpik, 1927) | Kukruse Stage
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Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Cnidaria |
| Subphylum | Medusozoa |
| Genus | Martsaphyton |
| Sphenothallus | |
| Class | Anthozoa |
| Hydrozoa | |
| Psammocorallia | |
| Scyphozoa | |
| Order | Melanoskleritoitidea |
| Genus | Aspidella |
| Byronia | |
| Semenola |
See also