Where: Estonia (58.4° N, 25.6° E: paleocoordinates 31.9° S, 0.4° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Johvi (457.5 - 449.5 Ma)

• Viruan Series, probably Johvi Stage

• bed-level stratigraphic resolution

Environment/lithology: marine

Size class: macrofossils

Collection methods: core,

Primary reference: A. Ryymusoks. 1986. Oculichasmops - novyy rod trilobitov iz podsemeystva Chasmopinae. Oculichasmops - a new genus of the trilobite subfamily Chasmopinae. Eesti NSV Teaduste Akadeemia Toimetised, Geoloogia = Izvestiya Akademii Nauk Estonskoy SSR, Geologiya 35(4):156-159 [M. Aberhan/S. Nurnberg/S. Nurnberg] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 45945: authorized by Martin Aberhan, entered by Sabine Nürnberg on 15.12.2004