Species
Spinachitina tvaerensis Grahn, Nõlvak et Paris, 1996
Type specimen data
holotype : IGR 58645 (R 40) , Tvären 2 borehole , ( Tvären 2 drill core 82.15 m ) Kukruse Stage ( Kukruse Stage, Sandbian ) IGR=Institute of Geology, Rennes University
Synonymy list
1996 Spinachitina tvaerensis sp. n. — Grahn, Nõlvak & Paris , pp. 30, 32 , fig. 2:4,7,8; 3:6,11
Selection of related publications
Nõlvak, J. 2003. Distribution of Ordovician chitinozoans. Estonian Geological Sections Bulletin 5, 23-25. Geological Survey of Estonia.
Grahn, Y., Nõlvak, J., Paris, F. 1996. Precise chitinozoan dating of Ordovician impact events in Baltoscandia. Journal of Micropalaeontology 15, 21-35.
Occurrence in samples (CONOP)
Kandava 25 borehole : 1 sample(s)
Mehikoorma 421 borehole : 1 sample(s)
Ruhnu 500 borehole : 1 sample(s)
Tartu 453 borehole : 1 sample(s)
Vasknarva 639 borehole : 1 sample(s)
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Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Class | Chitinozoa |
| Order | Prosomatifera |
| Family | Conochitinidae |
| Subfamily | Spinachitininae |
| Genus | Spinachitina |
| Species | cervicornis |
| coronata | |
| fossensis | |
| fragilis | |
| harringtoni | |
| maennili | |
| multiradiata | |
| suecica | |
| taugourdeaui | |
| titae | |
| tvaerensis | |
| Subspecies | alaticornis |
References based on distribution
- Nõlvak, 2003 Ruhnu 500 borehole Kukruse Stage
- Grahn et al., 1996 Tvären 2 borehole Kukruse Stage