Associated skeletal and dental remains of a fossil odontaspidid shark (Elasmobranchii: Lamniformes) from the Middle Eocene Lillebælt Clay Formation in Denmark. Bulletin of the Geological Society of Denmark, 61, 37–46
DOI: 10.37570/bgsd-2013-61-03
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The Aktulagay section, west Kazakhstan: a key site fornorthern mid-latitude Early Eocene stratigraphy. Stratigraphy, 10(3): 171–209