Rakvere Stage, Northern Estonia, Ragavere Fm, Sibila Core - Patzkowsky (Ordovician of Estonia)

Where: Sibila, Estonia (59.0° N, 26.0° E: paleocoordinates 31.3° S, 0.4° W)

• coordinate estimated from map

When: Torremagi Member (Ragavere Formation), Rakvere (455.8 - 452.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lagoonal or restricted shallow subtidal; argillaceous limestone

• Argillaceous limestone with bryozoan fragments, carbonate clasts, and occassional discontinuity surfaces.

Collection methods: core,

Primary reference: L. Hints. 1998. Oandu stage (Caradoc) in central North Estonia. Proceedings of the Estonian Academy of Science 47(3):158-172 [M. Patzkowsky/Z. Krug/Z. Krug]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 38038: authorized by Mark Patzkowsky, entered by Zack Krug on 01.04.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Phacopida - Pterygometopidae
Toxochasmops sp. McNamara 1979 trilobite
Strophomenata
 Strophomenida - Sowerbyellidae
Rhynchonellata
 Orthida - Dalmanellidae
 Orthida - Productorthidae
Nicolella sp. Reed 1917
Ulvophyceae
  -
Vermiporella sp. Stolley 1893
Dasycladophyceae
 Dasycladales - Dasycladaceae
Cyclocrinites sp. Stolley 1898