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...

gastropods, but it is also found in shelled cephalopods including Nautilus, Spirula and the large extinct subclass of cephalopods known as the ammonites. A...

ten-limbed cephalopods (including squid, bobtail squid, cuttlefish, and Spirula) as well as in the eight-limbed cirrate octopuses and vampire squid. Many...

Cyclostrema spirula is a species of sea snail, a marine gastropod mollusc in the family Liotiidae. Examination (Warén & Bouchet 1988) of the holotype...

Spirulida is an order of cephalopods comprising one extant species (Spirula spirula) and several extinct taxa. Oldest representative: Carboniferous, though...

polyplacophorans (or chitons), and cephalopods (such as nautilus and spirula). These shells are very often the most commonly encountered, both in the...

quadriplicata Quadrula quadrula — mapleleaf mussel Rapa rapa — bubble turnip Spirula spirula — ram's horn squid Staphylaea staphylaea — stippled cowry Telescopium...

mineralized coleoids (Spirula, Sepia, and Metasepia) as a clade; however, others do recover this more parsimonious-seeming clade, with Spirula as a sister group...

Abraliopsis; the pygmy cuttlefish Sepia pulchra; and the ram's horn squid, Spirula spirula. The octopod superfamily Argonautoidea is characterised by markedly...

Dentalium suteri Dentalium tiwhana Dentalium zelandicum Spirulidae Spirula spirula – ram's horn squid Sepiadariidae Sepioloidea pacifica – Pacific bobtail...