Erra, Vasalemma Fm. (Ordovician of Estonia)

Also known as Erras

Where: Sonda, Estonia (59.4° N, 27.0° E: paleocoordinates 32.6° S, 0.2° W)

• coordinate estimated from map

When: Vasalemma Formation, Keila (460.9 - 455.8 Ma)

• "Wassalem Beds = D3", in Bassler (1911)

Environment/lithology: marine; 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 167567: authorized by Björn Kröger, entered by Björn Kröger on 24.03.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

 Trepostomata - Halloporidae
Callopora ligniformis Dybowski 1877