Species
Tvaerenella granosa (Öpik, 1937)
Type specimen data
Synonymy list
1937 Primitiella indistincta n. sp. — Öpik , pp. 13, fig. 1:4
1937 Primitiella granosa n. sp. — Öpik , pp. 14, fig. 13:6-9
1956 Primitiella granosa Öpik — Sarv , pp. 51
1957 Tvaerenella granosa (Öpik) — Jaanusson , pp. 296, 299
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.
Öpik, A. 1937. Ostracoda from the Ordovician Uhaku and Kukruse formations of Estonia. Tartu Ülikooli Geoloogia Instituudi Toimetused 50, 1-58.
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Klassificering
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Arthropoda |
| Subphylum | Crustacea |
| Superclass | Oligostraca |
| Class | Ostracoda |
| Subclass | Podocopa |
| Order | Palaeocopida |
| Suborder | Beyrichicopina |
| Palaeocopa | |
| Superfamily | Hollinacea |
| Family | Tvaerenellidae |
| Subfamily | Tvaerenellinae |
| Genus | Tvaerenella |
| Species | carinata |
| expedita | |
| granosa | |
| longa | |
| magna | |
| modesta | |
| plana | |
| postpleta | |
| pulex | |
| stossmeisteri | |
| umbilicata |
References based on distribution
- Sarv, L., 1959 Kukruse
- Sarv, L., 1959 Küttejõu opencast mine
- Sarv, L., 1959 Harku
- Öpik, 1937a Kohtla-Järve Kukruse Stage