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1
The Early Cretaceous (Late Ryazanian - Early Hauterivian) ammonite fauna of north-east Greenland : taxonomy, biostratigraphy, and biogeography /
Published 2006“…Oslo : Taylor & Francis,…”
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2
New Middle and Late Anisian (Middle Triassic) ammonoid faunas from northwestern Nevada (USA) : taxonomy and biochronology /
Published 2005“…Oslo : Taylor & Francis,…”