Species
Signetopsis rotundata (Krause, 1891)
Synonymy list
1891     Bollia rotundata n. sp. — Krause , pp. 497, 516 , fig. 31:10
1934     Bollia rotundata Krause — Bassler & Kellett , pp. 219
1954     Signetopsis semicircularis (Krause, 1891) — Henningsmoen , pp. 63-64, fig. 7:10-15
1971     Signetopsis semicircularis (Krause, 1891) — Abushik , pp. 58, fig. 7:6-7
1980     Signetopsis semicircularis (Krause) — Abushik , fig. 2:14
1991     Signetopsis rotunda (Krause, 1891) — Hansch , pp. 87-88, fig. 2:2
Selection of related publications
Hansch, W. 1991. Die silurischen Geschiebe-Ostrakoden von Krause, Steusloff und Kummerow.  Archiv für Geschiebekunde   1,   2,   79-104.
Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Arthropoda | 
| Subphylum | Crustacea | 
| Superclass | Oligostraca | 
| Class | Ostracoda | 
| Subclass | Podocopa | 
| Order | Palaeocopida | 
| Suborder | Beyrichicopina | 
| Palaeocopa | |
| Superfamily | Primitiopsacea | 
| Family | Primitiopsididae | 
| Subfamily | Primitiopsinae | 
| Genus | Signetopsis | 
| Species | malornata | 
| quadrilobata | |
| rotundata | |
| semicircularis | 
References based on distribution
- Hansch, 1991 Oslo depression Wenlock
- Hansch, 1991 Jaagarahu Stage