Ludfordian
Top View
- GEOLOGIC TIME SCALE V
- Geologic Time Scale” by J.G
- Greenhouse−Icehouse Transition in the Late Ordovician Marks a Step Change in Extinction Regime in the Marine Plankton
- OFM-2009-3: Bedrock Geology of the Davenportwest (Iowa) 7.5
- OFM-2009-4: Bedrock Geology of the Davenport East
- A Late Silurian Crisis in the Welsh Basin Robin J Bailey and William J Bailey Abstract
- Ludlow, Silurian) in Southern Laurentia – Preliminary Results
- 2009 Geologic Time Scale Cenozoic Mesozoic Paleozoic Precambrian Magnetic Magnetic Bdy
- Conodonts, Corals and Stromatoporoids from Late Ordovician and Latest Silurian Allochthonous Limestones in the Cuga Burga Volcanics of Central Western New South Wales
- The State of Silurian Stratigraphy
- Biostratigraphy of British Silurian Nautiloid Cephalopods
- Geologic Time Scale
- Stratigraphy and Paleoenvironments of the Soeginina Beds (Paadla Formation, Lower Ludlow, Upper Silurian) on Saaremaa Island, Estonia Richa N
- Přídolí Carbon Isotope Trend and Upper Silurian to Lowermost Devonian Chemostratigraphy Based on Sections in Podolia (Ukraine) and the East Baltic Area
- The Worm Endosymbionts in Tabulate Corals from the Silurian of Podolia, Ukraine
- First Record of the Early Sheinwoodian Carbon Isotope Excursion (ESCIE) from the Barrandian Area of Northwestern Peri-Gondwana
- Ordovician Plankton Revolution’ in the Late Cambrian
- The Geological Society of America Geologic Time Scale 1888 2013