Species
Spinachitina tvaerensis Grahn, Nõlvak et Paris, 1996
Synonyymit
1996 Spinachitina tvaerensis sp. n. — Grahn, Nõlvak & Paris , pp. 30, 32, fig. 2:4,7,8; 3:6,11
Aiheeseen liittyvät julkaisut
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.
Esiintyminen näytteissä (CONOP)
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Luokittelu
| 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 |
Levinneisyys ja viitteet
- Nõlvak, 2003 Ruhnu 500 borehole Kukruse Stage
- Grahn et al., 1996 Tvären 2 borehole Kukruse Stage