Subspecies
Signetopsis quadrilobata decorata (Neckaja, 1960)
Synonymy list
1960     Limbinaria decorata Neckaja sp. nov. — Neckaja , pp. 315-316,500;, fig. Taf.61, Fig.1
1971     Signetopsis decorata — Sarv , fig. Abb.3
Selection of related publications
Abushik, A. F., Ivanova, V. A., Kochetkova, N. M., Martynova, G. L., Neckaja, A. I., Rozdestvenskaya, A. A. 1960. Novye paleozojskie ostrakody Russkoj i Sibirskoj platform, Urala i Pečorskoj grâdy.  New species of prehistoric plants and invertebrates of the USSR. Vol. II, pp. 280-367.   Gosgeoltehizdat. 
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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 | Primitiopsacea | 
| Family | Primitiopsididae | 
| Subfamily | Primitiopsinae | 
| Genus | Signetopsis | 
| Species | quadrilobata | 
| Subspecies | decorata | 
References based on distribution
- Abushik et al., 1960 Kaugatuma Kaugatuma Stage