Khrevitsa River, Khrevitsa Fm. (Ordovician of Russian Federation)

Where: Russian Federation (59.3° N, 28.8° E: paleocoordinates 30.6° S, 1.1° E)

• coordinate estimated from map

When: Khrevitsa Formation, Johvi (453.0 - 449.9 Ma)

Environment/lithology: marine; limestone

Size classes: macrofossils, mesofossils

Primary reference: O. Dolgov and T. Meidla. 2011. Trilobite Biostratigraphy in the Middle and Upper Ordovician of Western Leningrad Region. Stratigraphy and Geological Correlation 19(6):618-630 [B. Kröger/B. Kröger/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 167739: authorized by Björn Kröger, entered by Björn Kröger on 30.03.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Asaphida - Asaphidae
 Lichida - Lichidae
Otarozoum pahleni Schmidt 1885 trilobite
 Phacopida - Pterygometopidae
Chasmops sp. M'Coy 1849 trilobite
Chasmops marginatus Schmidt 1881 trilobite
 Phacopida - Encrinuridae
"Atractopyge dentata" = Cybellela dentata
"Atractopyge dentata" = Cybellela dentata Esmark 1833 trilobite
 Phacopida - Cheiruridae
"Hemisphaerocoryphe rosenthali" = Cyrtometopella rosenthali
"Hemisphaerocoryphe rosenthali" = Cyrtometopella rosenthali Schmidt 1881 trilobite
Rhynchonellata
 Orthida - Archaeorthidae
"Cyrtonotella kukkersiana" = Cyrtonotella kuckersiana
"Cyrtonotella kukkersiana" = Cyrtonotella kuckersiana Wysogorski 1900
Cyrtonotella kukkersiana frechi