Results 221 to 226 of about 6,336 (226)

Upper Ordovician Glaciation in Northwest Africa? Reply

Geological Society of America Bulletin, 1971
openaire   +1 more source

Upper Ordovician graptolites from the Wagonga Beds near Batemans Bay, New South Wales

Journal of the Geological Society of Australia, 1982
exaly  

The Upper Ordovician and Lower Silurian in West Chekiang

Bulletin of the Geological Society of China, 1937
openaire   +1 more source

Upper Ordovician of the Cincinnati, Ohio, Area, USA

1999
openaire   +1 more source

Upper Ordovician stratigraphy of the Southern Peninsula of Michigan

1972
openaire   +1 more source

Middle–Upper Ordovician Acritarchs from Baltoscandia (Lisino-10 Borehole, Leningrad Region) and Their Biostratigraphic Implication

Paleontological Journal
exaly