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

<h4>Background</h4>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...

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Hlavní autoři:	Larisa A Doguzhaeva, Stefan Bengtson, Marcelo A Reguero, Thomas Mörs
Médium:	Artigo
Jazyk:	Inglês
Vydáno:	Public Library of Science (PLoS) 2017-01-01
Edice:	PLoS ONE
On-line přístup:	https://doi.org/10.1371/journal.pone.0172169
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