Vasalemma quarry, reef 42 (Ordovician of Estonia)

Where: Harju, Estonia (59.2° N, 24.3° E: paleocoordinates 33.0° S, 1.8° W)

• coordinate estimated from map

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

Environment/lithology: reef, buildup or bioherm; lithified, carbonaceous limestone

Size classes: macrofossils, mesofossils

Primary reference: B. Kröger and M. Aubrechtova. 2017. Cephalopods from reef limestone of the Vasalemma Formation, northern Estonia (latest Sandbian, Upper Ordovician) and the establishment of a local warm-water fauna. Journal of Systematic Palaeontology 14(7):1-42 [B. Kröger/B. Kröger/B. Kröger]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 188680: authorized by Björn Kröger, entered by Björn Kröger on 12.09.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

 Orthocerida - Proteoceratidae
Isorthoceras cavi Kröger and Aubrechtova 2017
 Actinocerida - Ormoceratidae
Orthonybyoceras isakari Kröger and Aubrechtova 2017
Orthonybyoceras moisense Kröger and Aubrechtova 2017