Species
Tvaerenella magna (Sarv, 1956)
Type specimen data
Synonymy list
1956     Primitiella magna sp. n. — Sarv , pp. 35, fig. 1:5-6
1957     Tvaerenella? magna (Sarv) — Jaanusson , pp. 296
1959     Primitiella magna Sarv — Sarv , pp. 32
Selection of related publications
Sarv, L. 1959. Ordovician ostracodes in the Estonian S.S.R..  ENSV TA Geoloogia Instituudi Uurimused   IV,      1-210.
Sarv, L. I. 1956. New species of ostracodes of the Vasalemma Stage (Upper Ordovician of Estonia).  ENSV TA Geoloogia Instituudi Uurimused   I,      30-40.
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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 | |
| Superfamily | Hollinacea | 
| Family | Tvaerenellidae | 
| Subfamily | Tvaerenellinae | 
| Genus | Tvaerenella | 
| Species | carinata | 
| expedita | |
| granosa | |
| longa | |
| magna | |
| modesta | |
| plana | |
| postpleta | |
| pulex | |
| stossmeisteri | |
| tuberculata | |
| umbilicata | 
References based on distribution
- Sarv, L., 1959 Tõrremägi ditches
- Sarv, L., 1959 Oandu