Corals and a cephalopod from the Whirlpool Formation (latest Ordovician, Hirnantian), Hamilton, Ontario: biostratigraphic and biogeographic significance

Reptamsassia n. gen. (Amsassiaceae n. fam.; calcareous algae) from the Lower Ordovician (Floian) of western Newfoundland, and the earliest symbiotic intergrowth of modular species

Amsassia (calcareous alga) from the Lower Ordovician (Tremadocian) of western Newfoundland, and the biologic affinity and geologic history of the genus

Corallite increase in the Late Ordovician coral Agetolites , and its taxonomic implication

Morphometrics, growth characteristics, and phylogenetic implications of Halysites catenularius (Tabulata, Silurian, Estonia)

Morphometrics and paleoecology of Catenipora (Tabulata) from the Xiazhen Formation (Upper Ordovician), Zhuzhai, South China

Corallite Increase and Mural Pores in Lichenaria (Tabulata, Ordovician)

MORPHOMETRICS OF MANIPORA (TABULATA; UPPER ORDOVICIAN; SOUTHERN MANITOBA, CANADA)

MORPHOMETRICS OF CATENIPORA (TABULATA; UPPER ORDOVICIAN; SOUTHERN MANITOBA, CANADA)

PALEOBIOLOGIC FEATURES OF TRABECULITES MACULATUS (TABULATA, LATE ORDOVICIAN, SOUTHERN MANITOBA)

THE WORLD'S BIGGEST TRILOBITE— ISOTELUS REX NEW SPECIES FROM THE UPPER ORDOVICIAN OF NORTHERN MANITOBA, CANADA

PALEOBIOLOGIC AND EVOLUTIONARY SIGNIFICANCE OF CORALLITE INCREASE AND ASSOCIATED FEATURES IN SAFFORDOPHYLLUM NEWCOMBAE (TABULATA, LATE ORDOVICIAN, SOUTHERN MANITOBA)

ENIGMATIC FOSSIL ENCRUSTING AN UPPER ORDOVICIAN ROCKY SHORE ON HUDSON BAY, CANADA, IS A CORAL

Relationships between internal and external morphology in Paleofavosites (Tabulata); the utility of growth and growth form

Late Ordovician rugose corals of the North Sierra Nevada, California

Microborings and growth in Late Ordovician halysitids and other corals

Mode of growth and life-history strategies of a Late Ordovician halysitid coral

Late Ordovician solitary rugose corals of the St. Lawrence Lowland, Quebec

New Late Ordovician solitary rugose coral with perforate septa

Late Ordovician solitary rugose corals of the eastern Klamath Mountains, Northern California