Spirulidae

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Related to spirula: Horn shell, spirulina, spinula

Spirulidae

[spī′rül·ə‚dē]
(invertebrate zoology)
A family of cephalopod mollusks containing several species of squids.
References in periodicals archive ?
Habitat depth and morphology vary little among species of Nautilus, and the internally shelled squid Spirula is monospecific.
It has been claimed that the pillars in cuttlebones are homologous to structures found on the siphuncle in Spirula, Nautilus, and fossil cephalopods (Bandel and Boletzky, 1979), but the cuttlebone's pillars are unique in having spread over the entire septal surface and in playing a major role in structural support of the septa.
The light organs of Sepiola atlantica and Spirula spirula (Mollusca: Cephalopoda): bacterial and intrinsic systems in the order Sepiodea.