Porkuni, Borkholm Lst., undifferentiated (Ordovician of Estonia)
Where: Estonia (59.0° N, 25.0° E: paleocoordinates 26.7° S, 0.8° W)
• local area-level geographic resolution
When: Arina Formation, Porkuni (445.6 - 443.7 Ma)
Environment/lithology: shallow subtidal; lithified limestone
Size classes: macrofossils, mesofossils
Primary reference: R. S. Bassler. 1911. The early Paleozoic Bryozoa of the Baltic Provinces. Bulletin of the United States National Museum 77:1-375 [B. Kröger/B. Kröger]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 167591: authorized by Björn Kröger, entered by Björn Kröger on 25.03.2015
Creative Commons license: CC BY (attribution)
Taxonomic list
• Bryozoan systematics
Show authors, comments, and common names
Bivalvia | |
Glauconome plumula Wiman 1902 clam | |
Stenolaemata | |
Lichenalia concentrica Hall 1852 | |
Pachydictya bifurcata Hall 1883 | |
Ptilodictya gladiola Billings 1866 | |
Fenestella striolata Eichwald 1860 | |
Chasmatopora tenella Eichwald 1855 | |
Hallopora elegantula Hall 1851 | |
Corynotrypa dissimilis Vine 1881 |