Slobodka Quarry, Khrevitsa Fm. (Ordovician of Russian Federation)

Where: Russian Federation (59.6° N, 29.5° E: paleocoordinates 30.1° S, 1.4° E)

• coordinate estimated from map

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

Environment/lithology: marine; limestone

• "Layer with Rollmops Wenjukowi", in Dolgov et al. (2011)

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 167727: authorized by Björn Kröger, entered by Björn Kröger on 30.03.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Trilobita
 Asaphida - Asaphidae
Asaphus (Postasaphus) jevensis
 Lichida - Lichidae
Otarozoum pahleni, Conolichas monticulosus
Otarozoum pahleni Schmidt 1885 trilobite
 Phacopida - Pterygometopidae
Chasmops tumidus, Chasmops sp., Chasmops marginatus, Rollmops wenjukowi
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