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

• Main Authors: Doguzhaeva, Larisa A., Bengtson, Stefan, Reguero, Marcelo Alfredo, Mörs, Thomas
• Format: Article in Journal/Newspaper
• Language: English
• Published: 2017
• Subjects: Paleontología; Belemnite; Jurassic; Antarctic; Cephalopod; Antarctic Peninsula; Seymour; Seymour Island; The Antarctic; Antarc*; Antarctica
• Online Access: http://sedici.unlp.edu.ar/handle/10915/87083

Background The Subclass Coleoidea (Class Cephalopoda) accommodates the diverse present-day internally shelled cephalopod mollusks (Spirula, Sepia and octopuses, squids, Vampyroteuthis) and also extinct internally shelled cephalopods. Recent Spirula represents a unique coleoid retaining shell structu...