Species
Lagenochitina tumida Umnova, 1970
Synonymy list
1970     Lagenochitina tumida sp. n. — Umnova , pp. 45-62, fig. 2:1
Selection of related publications
Nõlvak, J. 2010. Distribution of Ordovician chitinozoans.  Estonian Geological Sections Bulletin   10,      17-18.
Tammekänd, M., Hints, O., Nõlvak, J. 2010. Chitinozoan dynamics and biostratigraphy in the Väo Formation (Darriwilian) of the Uuga Cliff, Pakri Peninsula, NW Estonia.  Estonian Journal of Earth Sciences   59,   1,   25-36. DOI:10.3176/earth.2010.1.02
Nõlvak, J., Bauert, G. 2006. Distribution of Ordovician chitinozoans.  Estonian Geological Sections Bulletin   7,      9-11.  Geological Survey of Estonia. 
Occurrence in samples (CONOP) 
Kandava 25 puurauk : 5 sample(s)
Männamaa F-367 puurauk : 4 sample(s)
Ruhnu 500 puurauk : 2 sample(s)
Taga-Roostoja 25 puurauk : 3 sample(s)
Kerguta 565 puurauk : 6 sample(s)
Viki puurauk : 7 sample(s)
Osmussaare pank : 12 sample(s)
Uuga pank 1, Pakri poolsaar : 13 sample(s)
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Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Class | Chitinozoa | 
| Order | Prosomatifera | 
| Family | Lagenochitindae | 
| Subfamily | Lagenochitininae | 
| Genus | Lagenochitina | 
| Species | baltica | 
| boja | |
| combazi | |
| cylindrica | |
| dalbyensis | |
| deunffi | |
| esthonica | |
| lata | |
| longiformis | |
| megaesthonica | |
| ovoidea | |
| pestovoensis | |
| prussica | |
| tumida | 
References based on distribution
- Nõlvak, 2010a Viki borehole Kunda Stage