Species
Pterochitina retracta Eisenack, 1955
Synonyymit
1955 Pterochitina retracta sp. n. — Eisenack , pp. 317, fig. 1:13
Aiheeseen liittyvät julkaisut
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. 1990. Ordovician chitinozoans. Field Meeting Estonia 1990. An Excursion Guidebook, pp. 77-79. Estonian Academy of Sciences.
Grahn, Y. 1984. Ordovician chitinozoa from Tallinn, northern Estonia. Review of Palaeobotany and Palynology 43, 1-3, 5-31. DOI:10.1016/0034-6667(84)90025-3
Esiintyminen näytteissä (CONOP)
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Luokittelu
Organism group | Biota |
Kingdom | Animalia |
Class | Chitinozoa |
Order | Operculatifera |
Family | Desmochitinidae |
Subfamily | Pterochitininae |
Genus | Pterochitina |
Species | hughleyensis |
makroptera | |
perivelata | |
retracta |
Levinneisyys ja viitteet
- Tammekänd et al., 2010 Uuga Cliff 1, Parki peninsula Lasnamägi Stage