Early Ordovician (Floian) ostracods from the Cordillera Oriental, Northwest Argentina

New Insights into the Early Diversification of the Ostracoda: Tremadocian Ostracods from the Cordillera Oriental, Argentina

(2011) María José Salas et al.   ACTA PALAEONTOLOGICA POLONICA

Ostracodes from the Tuloi and Karasu formations (Ordovician) of northeastern Gorny Altai

(2011) L. M. Melnikova   PALEONTOLOGICAL JOURNAL

Late Ordovician (Sandbian) ostracods from the Ardwell Farm Formation, SW Scotland

(2011) Mohibullah Mohibullah et al.   SCOTTISH JOURNAL OF GEOLOGY

A Review of the Endocerid CephalopodProtocyptendocerasfrom the Floian (Lower Ordovician) of the Eastern Cordillera, Argentina

(2010) Marcela Cichowolski   ACTA PALAEONTOLOGICA POLONICA

Intraspecific variation and polymorphism in the ostracode Conchoprimitian socialis (Brøgger, 1882) from the early Middle Ordovician Baltoscandian Palaeobasin

(2010) O. Tinn et al.   BULLETIN OF GEOSCIENCES

Unusual trilobite biofacies from the Lower Ordovician of the Argentine Cordillera Oriental: new insights into olenid palaeoecology

(2010) DIEGO BALSEIRO et al.   LETHAIA

Some ostracodes from the Gur'yanovka Formation (Upper Ordovician) of northeastern Gorny Altai

(2010) L. M. Melnikova   PALEONTOLOGICAL JOURNAL

The new chronostratigraphic classification of the Ordovician System and its relations to major regional series and stages and to δ13C chemostratigraphy

(2008) STIG M. BERGSTRÖM et al.   LETHAIA