Spirula spirula
Källor
- 1 2 2012 Spirula spirula Från: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2 <www.iucnredlist.org>. Läst 24 oktober 2012.
- 1 2 Linnaeus, C. (1758) , Systema naturae per regna tria naturae, secundum classes, ordines, genera, species cum characteribus, differentiis, synonymis, locis.
- ↑ (1996) , database, NODC Taxonomic Code
- ↑ Turgeon, D. D., A. E. Bogan, E. V. Coan, W. K. Emerson, W. G. Lyons, W. Pratt, et al. (1988) Common and scientific names of aquatic invertebrates from the United States and Canada: mollusks, American Fisheries Society Special Publication 16
- ↑ Sweeney, M. J. and C. F. E. Roper / N. A. Voss, M. Vecchione, R. B. Toll and M. J. Sweeney, eds. (1998) Classification, type localities and type repositories of recent Cephalopoda, Systematics and Biogeography of Cephalopods. Smithsonian Contributions to Zoology, 586 (I-II)
- 1 2 Bisby F.A., Roskov Y.R., Orrell T.M., Nicolson D., Paglinawan L.E., Bailly N., Kirk P.M., Bourgoin T., Baillargeon G., Ouvrard D. (red.) (21 oktober 2011). ”Species 2000 & ITIS Catalogue of Life: 2011 Annual Checklist.”. Species 2000: Reading, UK. http://www.catalogueoflife.org/annual-checklist/2011/search/all/key/spirula+spirula/match/1. Läst 24 september 2012.
- ↑ ITIS: The Integrated Taxonomic Information System. Orrell T. (custodian), 2011-04-26
- 1 2 Dyntaxa Spirula spirula