Porkuni Stage near Muuga and Paasvere, North Estonia (Ordovician of Estonia)

Where: North Estonia, Estonia (59.0° N, 26.5° E: paleocoordinates 26.3° S, 0.1° W)

• coordinate estimated from map

• local area-level geographic resolution

When: Arina Formation, Porkuni (445.6 - 443.7 Ma)

• Material collected from Roa, Vohilaid, and Siuge members of Arina Formation.

• formation-level stratigraphic resolution

Environment/lithology: marine

Primary reference: M. Isakar. 1991. Harjuan (Late Ordovician) new bivalves and a new gastropod from north Estonia. Tartu Riikliku Ulikooli Toimetised 12:43-60 [A. Miller/R. Krause/R. Krause]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 23294: authorized by Arnold Miller, entered by Rich Krause on 11.07.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Myalinida - Ambonychiidae
 Nuculida - Praenuculidae
Similodonta wahli n. sp. clam