• Thumbnail for Spirula
    Spirula spirula is a species of deep-water squid-like cephalopod mollusk. It is the only extant member of the genus Spirula, the family Spirulidae, and...
    13 KB (1,213 words) - 18:26, 29 October 2024
  • Thumbnail for Whorl (mollusc)
    gastropods, but it is also found in shelled cephalopods including Nautilus, Spirula and the large extinct subclass of cephalopods known as the ammonites. A...
    5 KB (583 words) - 18:55, 26 December 2022
  • Thumbnail for Spirulida
    Spirulida is an order of cephalopods comprising one extant species (Spirula spirula) and several extinct taxa. Oldest representative: Carboniferous, though...
    2 KB (106 words) - 08:58, 16 September 2024
  • Thumbnail for Cephalopod fin
    ten-limbed cephalopods (including squid, bobtail squid, cuttlefish, and Spirula) as well as in the eight-limbed cirrate octopuses and vampire squid. Many...
    7 KB (650 words) - 03:38, 29 December 2023
  • Thumbnail for Cyclostrema spirula
    Cyclostrema spirula is a species of sea snail, a marine gastropod mollusc in the family Liotiidae. Examination (Warén & Bouchet 1988) of the holotype...
    2 KB (202 words) - 02:17, 13 June 2024
  • Thumbnail for Cephalopod
    mineralized coleoids (Spirula, Sepia, and Metasepia) as a clade; however, others do recover this more parsimonious-seeming clade, with Spirula as a sister group...
    139 KB (15,486 words) - 14:22, 6 November 2024
  • Thumbnail for Seashell
    polyplacophorans (or chitons), and cephalopods (such as nautilus and spirula). These shells are very often the most commonly encountered, both in the...
    40 KB (4,844 words) - 22:13, 1 November 2024
  • Thumbnail for Cephalopod size
    Abraliopsis; the pygmy cuttlefish Sepia pulchra; and the ram's horn squid, Spirula spirula. The octopod superfamily Argonautoidea is characterised by markedly...
    359 KB (29,836 words) - 08:45, 1 October 2024
  • Thumbnail for Adolf Appellöf
    contributions to the knowledge of cephalopods. "Die schalen von Sepia, Spirula und Nautilus, Studien über ihren Bau und Wachsthum" (in: Kungl. Svenska...
    4 KB (284 words) - 18:12, 20 October 2022
  • Thumbnail for Gladius (cephalopod)
    has media related to Gladius. Cuttlebone Belemnoidea Argonaut Nautilus Spirula Mollusc shell Young, R.E.; Vecchione, M.; Mangold, K.M., eds. (1999). "Cephalopod...
    7 KB (430 words) - 15:42, 4 June 2024