Is Nectocaris pteryx a cephalopod?

Brachiopod Identity of the Alleged Monoplacophoran Ancestors of Cephalopods

(2010) Jerzy Dzik   MALACOLOGIA

A little Kraken wakes

(2010) Stefan Bengtson   NATURE

Primitive soft-bodied cephalopods from the Cambrian

(2010) Martin R. Smith et al.   NATURE

First record of a belemnite preserved with beaks, arms and ink sac from the Nusplingen Lithographic Limestone (Kimmeridgian, SW Germany)

(2009) CHRISTIAN KLUG et al.   LETHAIA

NEW OCTOPODS (CEPHALOPODA: COLEOIDEA) FROM THE LATE CRETACEOUS (UPPER CENOMANIAN) OF HÂKEL AND HÂDJOULA, LEBANON

(2009) DIRK FUCHS et al.   PALAEONTOLOGY

A Great-Appendage Arthropod with a Radial Mouth from the Lower Devonian Hunsruck Slate, Germany

(2009) G. Kuhl et al.   SCIENCE

An Early Cambrian radula

(2008) Nicholas J. Butterfield   JOURNAL OF PALEONTOLOGY