An Eocene orthocone from Antarctica shows convergent evolution of internally shelled cephalopods

• Larisa A. Doguzhaeva ,

  * E-mail: larisa.doguzhaeva@nrm.se

  Affiliation Department of Palaeobiology, Swedish Museum of Natural History, Stockholm, Sweden

  http://orcid.org/0000-0002-1231-2488

  ⨯
• Stefan Bengtson,

  Affiliation Department of Palaeobiology, Swedish Museum of Natural History, Stockholm, Sweden

  ⨯
• Marcelo A. Reguero,

  Affiliation Division Paleontologia de Vertebrados, Museo de La Plata, Paseo del Bosque s/n, B1900FWA, La Plata, Argentina

  ⨯
• Thomas Mörs

  Affiliation Department of Palaeobiology, Swedish Museum of Natural History, Stockholm, Sweden

  ⨯