An Eocene orthocone from Antarctica shows convergent evolution of internally shelled cephalopods
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 struct...
Published in: | PLOS ONE |
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Main Authors: | , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
Public Library of Science
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Subjects: | |
Online Access: | http://hdl.handle.net/11336/49681 |