Species
Tetrada (Tallinnopsis) calkeri (Bonnema, 1909)
Synonymy list
1858 Beyrichia complicata Salter — Schmidt , pp. 195
1909 Tetradella Calkeri nov. spec. — Bonnema , pp. 35, fig. 3:15-22
1949 Ogmoopsis calkeri (Bonnema) — Hessland , pp. 324, 338
1953 Tetradella calkeri Bonnema — Neckaja , pp. 322, fig. 2:3
1959 Tallinnopsis calkeri — Sarv , pp. 67, fig. 3:1-7
1976 Tetrada calkeri — Schallreuter , pp. 165-166
Selection of related publications
Nõlvak, J. 1972. A characterization of the boundary beds of the Kukruse and Idavere stages in the Lipu boring. Loodusuurijate Seltsi Aastaraamat, pp. 39-59. Loodusuurijate Selts.
Sarv, L. 1959. Ordovician ostracodes in the Estonian S.S.R.. ENSV TA Geoloogia Instituudi Uurimused IV, 1-210.
Neckaja, A. I. 1953. Tetradellidy ordovika Pribaltiki i ih stratigraficheskoe znachenie. Trudy Vsesoûznogo Naučno-Issledovatel'skogo Geologo-Razvedočnogo Instituta (VNIGRI) 309-363. Gostoptehizdat.
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Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Arthropoda |
| Subphylum | Crustacea |
| Superclass | Oligostraca |
| Class | Ostracoda |
| Subclass | Podocopa |
| Order | Palaeocopida |
| Suborder | Beyrichicopina |
| Palaeocopa | |
| Family | Ctenonotellidae |
| Genus | Tetrada |
| Subgenus | (Tallinnopsis) |
| Species | calkeri |
| excisa | |
| gudensis | |
| iewica | |
| porosicalkeri | |
| ramigalensis | |
| vaiguvenis | |
| vievensis |
References based on distribution
- Sarv, L., 1959 Kodasema, Harju County
- Sarv, L., 1959 Lasnamägi
- Sarv, L., 1959 Humala
- Neckaja, 1953 Ubja
- Neckaja, 1953 Vanamõisa, Harjumaa
- Neckaja, 1953 Alekseevka quarry, Leningrad Oblast