Genus
Sphaerochitina Eisenack, 1955
Selection of related publications
Nõlvak, J., Liang, Y., Hints, O. 2022. Early and early Middle Ordovician chitinozoans from the Baldone drill core, central Latvia. Estonian Journal of Earth Sciences 71, 1, 25-43. DOI:10.3176/earth.2022.03
Nestor, V. 2011. Chitinozoan biostratigraphy of the Přidoli Series of the East Baltic. Estonian Journal of Earth Sciences 60, 4, 191-206. DOI:10.3176/earth.2011.4.01
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. 2009. Biostratigraphy of the Ludlow chitinozoans from East Baltic drill cores. Estonian Journal of Earth Sciences 58, 3, 170-184. DOI:10.3176/earth.2009.3.02
Nestor, V. 2007. Chitinozoans in the Wenlock-Ludlow boundary beds of the East Baltic. Estonian Journal of Earth Sciences 56, 2, 109-128.
Märss, T. 2003. Distribution of Silurian agnathans and fish microremains. Estonian Geological Sections Bulletin 5, 14-15. Geological Survey of Estonia.
Loydell, D. K., Männik, P., Nestor, V. 2003. Integrated biostratigraphy of the lower Silurian of the Aizpute-41 core, Latvia. Geological Magazine 140, 2, 205-229. DOI:10.1017/S0016756802007264
Nestor, V. 1994. Early Silurian chitinozoans of Estonia and North Latvia. pp. 1-163. Estonian Academy Publishers.
Nestor, V. 1990. Silurian chitinozoans.Field Meeting Estonia 1990. An Excursion Guidebook , pp. 80-83. Estonian Academy of Sciences.
Nestor, V. 1982. New chitinozoans of the genera Ancyro-, Gotlando- and Sphaerochitina from the Wenlockian of Estonia. Eesti NSV Teaduste Akadeemia Toimetised. Geoloogia / Известия Академии наук Эстонской ССР. Геология 31, 4, 146-151. DOI:10.3176/geol.1982.4.04
List of species
2. Sphaerochitina concava Laufeld, 1974 | Rootsiküla Stage
3. Sphaerochitina dubia Eisenack, 1968 | Paadla Stage
4. Sphaerochitina impia Laufeld, 1974 | Paadla Stage
6. Sphaerochitina lycoperdoides Laufeld, 1974 | Rootsiküla Stage
7. Sphaerochitina scanicus Grahn, 1996 | Paadla Stage
8. Sphaerochitina silurica Grahn, Pereira et Bergamaschi, 2000 | Raikküla Stage
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Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Class | Chitinozoa |
| Order | Prosomatifera |
| Family | Lagenochitindae |
| Subfamily | Lagenochitininae |
| Genus | Lagenochitina |
| Saharochitina | |
| Sphaerochitina | |
| Species | acanthifera |
| concava | |
| dubia | |
| impia | |
| indecora | |
| lycoperdoides | |
| scanicus | |
| silurica | |
| sphaerocephala | |
| unranked | Sphaerochitina? latviensis |
References based on distribution
- Nestor, V., 2009a Ohesaare borehole Paadla Stage
- Nestor, V., 2009a Pavilosta 51 borehole Paadla Stage
- Nestor, V., 2009a Ohesaare borehole Kuressaare Stage
- Nestor, V., 1994a Ohesaare borehole Jaagarahu Stage
- Nestor, V., 2007 Ohesaare borehole Rootsiküla Stage
- Nestor, V., 2007 Ohesaare borehole Rootsiküla Stage
- Märss, 2003b Ruhnu 500 borehole Kuressaare Stage
- Laufeld, 1974a Gothemshammar 2, Gotland Wenlock
- Laufeld, 1974a Grogarnshuvud, Gotland Ludlow
- Laufeld, 1974a Fjärdinge 1, Gotland Wenlock
- Laufeld, 1974a Stora Hajslunds 1, Gotland Ludlow
- Laufeld, 1974a Barshageudd 2, Gotland Ludlow
- Nestor, V., 2007 Ventspils D-3 borehole Paadla Stage
- Nõlvak et al., 2022 Baldone 80 borehole 900.9 - 903.8 Darriwilian