Callovian
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- International Chronostratigraphic Chart
- The Oldest Turritelline Gastropods: from the Oxfordian (Upper Jurassic) of Kutch, India
- Towards a Consistent Oxfordian-Kimmeridgian Global
- 1999 Geologic Time Scale Cenozoic Mesozoic Paleozoic Precambrian Magnetic Magnetic Polarity Polarity Age Bdy
- Callovian (Jurassic) Ammonites from the United States and Alaska
- 26. Dinoflagellate Age of Middle Jurassic-Early Cretaceous Sediments in the Blake-Bahama Basin1
- Integrated Stratigraphy of the Oxfordian
- Filling the Corallian Gap: New Information on Late Jurassic Marine Reptile Faunas from England
- Mexico As the Western Margin of Pangea Based on Biogeographic Evidence from the Permian to the Lower Jurassic, in C
- Carbon Cycle History Through the Middle Jurassic (Aalenianbathonian) of the Mecsek Mountains, Southern Hungary
- Biostratigraphy of the Upper Bajocian-Middle Callovian (Middle Jurassic), South America
- GEOLOGIC TIME SCALE V
- A Mechanism for Brief Glacial Episodes in the Mesozoic Greenhouse
- Toarcian–Kimmeridgian Depositional Cycles of the South-Western Morondava Basin Along the Rifted Continental Margin of Madagascar
- Geologic Time Scale” by J.G
- Ammonites from Alaska and Montana
- The Paleozoic and Mesozoic Rocks; a Discussion to Accompany the Geologic Map of the United States
- 2009 Geologic Time Scale Cenozoic Mesozoic Paleozoic Precambrian Magnetic Magnetic Bdy