The First In Situ Observation of the Ram’s Horn Squid Spirula spirula Turns “Common Knowledge” Upside Down

The shell matrix and microstructure of the Ram’s Horn squid: Molecular and structural characterization

(2020) Morgane Oudot et al.   JOURNAL OF STRUCTURAL BIOLOGY

Traumatic events in the life of the deep-sea cephalopod mollusc, the coleoid Spirula spirula

(2018) R. Hoffmann et al.   DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS

Whole mitochondrial genome of the Ram’s Horn Squid shines light on the phylogenetic position of the monotypic order Spirulida (Haeckel, 1896)

(2017) Jan M. Strugnell et al.   MOLECULAR PHYLOGENETICS AND EVOLUTION

Amphispirulagen. nov. from the Eocene of southern Moravia (Czech Republic): a new ancestor of the Recent deep-sea squidSpirula?

(2015) Dirk Fuchs et al.   JOURNAL OF SYSTEMATIC PALAEONTOLOGY

New size data on the enigmatic Spirula spirula (Decabrachia, suborder Spirulina), on a global geographic scale

(2015) Alexander Lukeneder   Swiss Journal of Palaeontology

In situBehavioral Observations of the Mesopelagic SquidStigmatoteuthis dofleini(Cephalopoda: Histioteuthidae)

(2012) James C. Hunt et al.   AMERICAN MALACOLOGICAL BULLETIN

A preliminary estimate of the trophic position of the deep-water ram’s horn squid Spirula spirula based on the nitrogen isotopic composition of amino acids

(2012) Naohiko Ohkouchi et al.   MARINE BIOLOGY

Mastigoteuthis-the whip-lash squid

(2009) P. N. Dilly et al.   JOURNAL OF ZOOLOGY