A possible Laurentian volchoviid ophiocistioid from the Katian of southwestern Ohio

Precession-driven climate cycles and time scale prior to the Hirnantian glacial maximum

Katian (Late Ordovician) conodonts on the northwestern margin of the North China Craton

Spiracarneyella , a new carneyellid edrioasteroid from the Upper Ordovician (Katian) of Kentucky and Ohio and comments on carneyellid heterochrony

Preliminary palynological study of the Upper Ordovician Pin Formation in northern Indian Himalaya

Eustatic and local tectonic impact on the Late Ordovician – early Silurian facies evolution on the SW margin of peri-Baltica (the southern Holy Cross Mountains, Poland)

Paleocommunity composition, relative abundance, and new camerate crinoids from the Brechin Lagerstätte (Upper Ordovician)

Colonial palynomorphs from the Upper Ordovician of north-eastern Iran: ‘thalli’, coenobial Chlorophyceae (Hydrodictyaceae) or cyanobacteria?

Comparisons of Late Ordovician ecosystem dynamics before and after the Richmondian invasion reveal consequences of invasive species in benthic marine paleocommunities

Late Ordovician brachiopods from east-central Alaska, northwestern margin of Laurentia

Late Ordovician mass extinction caused by volcanism, warming, and anoxia, not cooling and glaciation: REPLY

Upper Ordovician (Sandbian–Katian) carbonate outliers in the northern Ottawa–Bonnechere graben (central Canada): records of transgressions and sedimentation patterns in the Laurentian platform interior

Early parasitic drilling in a rhynchonelliform brachiopod Rongatrypa xichuanensis from the Katian (Upper Ordovician) of central China

A new method for predicting the shale distribution of the Wufeng Formation in the Upper Yangtze Region, China

Biodiversity, systematics, and new taxa of cladid crinoids from the Ordovician Brechin Lagerstätte

An Ordovician nectocaridid hints at an endocochleate origin of Cephalopoda

Oceanic environment changes caused the Late Ordovician extinction: evidence from geochemical and Nd isotopic composition in the Yangtze area, South China

Paleogeographic and paleoecological significance of Schachriomonia (Brachiopoda) from the Upper Ordovician of the Tarim Basin, Northwest China

A restudy of the Sandbian to Katian (Upper Ordovician) graptolites from the East Qilianshan (Chilianshan), Northwest China

Katian (Upper Ordovician) carbon isotope chemostratigraphy in the Neixiang area, central China: implications for intercontinental correlation