Species
Sphaerochitina concava Laufeld, 1974
Synonymy list
1974     Sphaerochitina concava sp.n. — Laufeld , pp. 106-108, fig. 64
Selection of related publications
Loydell, D. K., Nestor, V., Männik, P. 2010. Integrated biostratigraphy of the lower Silurian of the Kolka-54 core, Latvia.  Geological Magazine   147,   2,   253-280. DOI:10.1017/S0016756809990574
Nestor, V. 2007. Chitinozoans in the Wenlock-Ludlow boundary beds of the East Baltic.  Estonian Journal of Earth Sciences   56,   2,   109-128.
Occurrence in samples (CONOP) 
Kaugatuma 509 puurauk : 3 sample(s)
Kolka 54 puurauk : 7 sample(s)
Möldri 865 puurauk : 2 sample(s)
Ohesaare puurauk : 20 sample(s)
Tehumardi 700 puurauk : 2 sample(s)
Vidale 263 puurauk : 3 sample(s)
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Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Class | Chitinozoa | 
| Order | Prosomatifera | 
| Family | Lagenochitindae | 
| Subfamily | Lagenochitininae | 
| Genus | Sphaerochitina | 
| Species | acanthifera | 
| concava | |
| dubia | |
| impia | |
| indecora | |
| lycoperdoides | |
| scanicus | |
| silurica | |
| sphaerocephala | |
| unranked | Sphaerochitina? latviensis | 
References based on distribution
- Nestor, V., 2007 Ohesaare borehole Rootsiküla Stage
- Laufeld, 1974a Gothemshammar 2, Gotland Wenlock