Genus
Ortonella Garwood, 1914
Selection of related publications
Kõrts, A. 1991. Distribution of calcareous algae, oncolites and stromatolites in Wenlock-Ludlow boundary beds in Estonia. Proceedings of the Estonian Academy of Sciences. Geology 40, 2, 43-49. DOI:10.3176/geol.1991.2.02
Kõrts, A., Einasto, R., Männil, Ralf, Radionova, E. 1990. Calcareous algae. pp. 97-100. Estonian Academy of Sciences.
Radionova, E., Einasto, R. 1986. The algal communities, their facies relations in the East Baltic Wenlock and Ludlow. Theory and practice of ecostratigraphy, pp. 163-185. Valgus.
List of species
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Classification
| Organism group | Biota |
| Domain | Eubacteria |
| Phylum | Cyanobacteria |
| Class | Porostromata |
| Family | Cyanophyceae |
| Genus | Acuasiphonoria |
| Apophoretella | |
| Bavlinella | |
| Bevocastria | |
| Bija | |
| Botomaella | |
| Cayeuxia | |
| Gloeocapsomorpha | |
| Hedstroemia | |
| Ortonella | |
| Species | furcata |
| Genus | Ostiana |
| Razumovskia | |
| Sphaerocodium | |
| Spongiostroma | |
| Subtifloria | |
| Zonotrichites |