Species
Cyrtonotella semicircularis (Eichwald, 1829)
Synonymy list
1829 Terebratula semicircularis — Eichwald , pp. 276 , fig. pl. 4: 10a, b
1830 Productus semiglobosus — Pander , pp. 85 , fig. pl. 21: 3a-d
1830 Productus rotundatus — Pander , pp. 85 , fig. pl. 21: 4a-d
1830 Productus trigonus — Pander , pp. 85 , fig. pl. 21: 5a-d
1830 non Orthambonites semicircularis — Pander , pp. 81 , fig. pl. 22: 2a-b
1840 Orthis semicircularis m. Zool. spec. — Eichwald , pp. 179
1840 Orthis semicircularis m. Zool. spec — Eichwald , pp. 154
1845 ? Orthis semicircularis — Verneuil , pp. 211 , fig. pl. 13, 12a-b
1856 Orthis semicircularis — Eichwald , pp. 437
1857 Orthis semicircularis — Eichwald , pp. 105
1858 non Orthis semicircularis Eichwald — Schmidt , pp. 212
1860 Orthis semicircularis m. (non Sow.) — Eichwald , pp. 820
1900 Orthis semicircularis Typ. Eichwald — Wysogorski , pp. 233 , fig. pl. 13
1900 non Orthis semicircularis mut. Eichwald — Wysogorski , pp. 233 , fig. pl. 13
1931 Orthis semicircularis (Eichwald) — Schuchert & Cooper , pp. 243
1932 Cyrtonotella semicircularis (Eichwald) — Schuchert & Cooper , pp. 77 , fig. pl. 4: 1, 4-5
1949 Cytonotella semicircularis (Eichwald) — Lesnikova , pp. 202 , fig. pl. 32: 4-5, 6a-c; pl. 44: 12
1961 non Cyrtonotella semicircularis (Eichwald) — Rubel , pp. 180 , fig. pl. 4: 10a-b
1965 Cyrtonotella semicircularis (Eichwald) — Williams & Wright , fig. figs 194: 10a-b
2000 Cyrtonotella semicircularis (Eichwald) — Williams & Harper , pp. 744 , fig. fig. 537: 4a-c
2014 Cyrtonotella semicircularis (Eichwald, 1829) — Hints, L. , pp. 64 , fig. 1A-B
Selection of related publications
Hints, L. 2014. Revision of the concept of the orthide brachiopod Cyrtonotella in the Middle Ordovician of the East Baltic. Estonian Journal of Earth Sciences 63, 2, 63-70. DOI:10.3176/earth.2014.05
Rubel, M. P. 1961. Lower-Ordovician brachiopods of the superfamilies Orthacea, Dalmanellacea and Syntrophiacea of Eastern Baltic. ENSV TA Geoloogia Instituudi uurimused VI, 141-226.
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
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Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Brachiopoda |
| Subphylum | Rhynchonelliformea |
| Class | Rhynchonellata |
| Order | Orthida |
| Suborder | Orthidina |
| Superfamily | Orthoidea |
| Genus | Cyrtonotella |
| Species | barbara |
| kuckersiana | |
| laine | |
| semicircularis |
References based on distribution
- Hints, L., 2014 Aseri Stage
- Eichwald, 1860a