Species
Tvaerenella umbilicata (Kummerow, 1924)
Synonymy list
1924 Primitiella umbilicata n.sp. — Kummerow , pp. 420, fig. pl. 20 (=21), fig. 14.
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 |