Genus
Rectigrewingkia Kaljo, 1961
Selection of related publications
Neuman, B. E. E. 1986. Rugose corals from the Upper Ordovician erratic boulders of Öland.  GFF   108,   4,   349-365. DOI:10.1080/11035898609454725
Kaljo, D. L. 1961. Some additional data on the study of Ordovician streptelasmids in Estonia.  ENSV TA Geoloogia Instituudi Uurimused   VI,      51-67.
Reiman, V. M. 1958. New rugose corals from upper Ordovician and Llandoverian deposits of Baltic.  ENSV TA Geoloogia Instituudi Uurimused   II,      33-47.
Dybowski, W. 1873. Monographie der Zoantharia sclerodermata rugosa aus der Silurformation Estlands, Nord-Livlands und der Insel Gotland, nebst einer Synopsis aller palaezoischen Gattungen  dieser Abtheilung und einer Synonymik der dazu gehörigen, bereits bekannten Arten. pp. 1-160.  Heinrich Laakmann. 
Eichwald, E. 1860. Lethaea Rossica ou Paléontologie de la Russie. Premier volume. Ancienne Période en deux sections. pp. XIX+1–1657.  E. Schweizerbart.  DOI:10.5962/bhl.title.52391
Eichwald, E. 1856. Beitrag zur geographischen Verbreitung der fossilen Thiere Russlands. Alte Periode. (Fortsetzung).  Bulletin of the Moscow Society of Naturalists. Geological series   29,   1,   88-127.
List of species
1. Rectigrewingkia anthelion (Dybowski, 1873) | Vormsi Stage
2. Rectigrewingkia eminens (Eichwald, 1830) | Silurian
4. Rectigrewingkia lutkevitshi (Reiman, 1958) | Rakvere Stage
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Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Cnidaria | 
| Subphylum | Anthozoa | 
| Subclass | Rugosa | 
| Order | Stauriida | 
| Suborder | Streptelasmatina | 
| Family | Streptelasmatidae | 
| Subfamily | Streptelasmatinae | 
| Genus | Axolasma | 
| Bighornia | |
| Borelasma | |
| Densigrewingkia | |
| Densiphyllum | |
| Eurogrewingkia | |
| Fosselasma | |
| Grewingkia | |
| Helicelasma | |
| Heterophrentis | |
| Kaljolasma | |
| Kenophyllum | |
| Leolasma | |
| Lobocorallium | |
| Rectigrewingkia | |
| Species | anthelion | 
| eminens | |
| formosa | |
| lutkevitshi | |
| Genus | Rhegmaphyllum | 
| Streptelasma | |
| Tungussophyllum | |
| Ullernelasma | 
 See also