Vasalemma, North Estonia, Vasalemma Fm (Ordovician of Estonia)

Where: Estonia (59.2° N, 24.3° E: paleocoordinates 29.8° S, 1.3° W)

• coordinate estimated from map

• local area-level geographic resolution

When: Vasalemma Formation, Late/Upper Ordovician (458.4 - 443.8 Ma)

• early Katian, Oandu Stage

• formation-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; limestone

• The build-ups formed in shallow-water, high-enery environments.
• The Vasalemma Formation consists of bedded, fine- to coarse-grained bioclastic limestone that includes bodies of massive micritic limestones interpreted as reefs or mud mounds (Hints et al., 2004).

Size class: macrofossils

Preservation: original calcite

Primary reference: M. Mõtus and Y. Zaika. 2012. The oldest heliolitids from the early Katian of the East Baltic region. GFF A Scandinavian Journal of Earth Sciences 134(3):225-234 [E. Kido/E. Kido]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 144443: authorized by Erika Kido, entered by Erika Kido on 07.05.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Anthozoa
 Heliolitida - Coccoserididae
Protaraea procella n. sp. Mõtus and Zaika 2012 tabulate coral