Äiamaa borehole (Ordovician of Estonia)

Where: Estonia (58.8° N, 25.6° E: paleocoordinates 33.4° S, 0.9° W)

• coordinate estimated from map

• hand sample-level geographic resolution

When: Vasalemma Formation, Keila (453.9 - 453.0 Ma)

• Keila Regional Stage, lower part of the Katian Stage. PJW: This should be Vasalemma formation.

• group of beds-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; mixed carbonate-siliciclastic sediments

• "tropical mud mounds"

Size class: macrofossils

Collected by R. Männil

Primary reference: C. R. C. Paul and S. V. Rozhnov. 2016. Revision of Scoliocystis (Rhombifera: Echinoencrinitidae) and related cystoid genera. Paleontological Journal 50(3):255-275 [P. Wagner/P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 193689: authorized by Phil Novack-Gottshall, entered by Phil Novack-Gottshall on 01.06.2018

Creative Commons license: CC BY (attribution)

Taxonomic list

 Rhombifera - Callocystitidae
Maennilocystis heckeri Paul and Rozhnov 2016