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| 질의: encyclopedia britannica | 결과: 21번째/33 | |
ram's horn squid (Spirula spirula)
| 제목: | ram's horn squid (Spirula spirula)
| | 올린이: | Wiki Photos (---@---.---)
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A, Dorsal aspect. B, Ventral aspect. a, Arms. e, Eyes. fi, Fins. fu, Funnel. pa, Mantle. po, Posterior fossa. sh, Shell. te, Tentacular arms. td, Terminal pallial disc. (After Chun, from Lankester's Treatise on Zoology.)
Date
Source 1911 Encyclopedia Britannica, Vol. 5, p. 695
Author Encyclopedia Britannica
Source: https://commons.wikimedia.org/wiki/File:Spirula.jpg
The ram's horn squid, little post horn squid or tail-light squid (Spirula spirula) is a species of deep-water squid-like cephalopod mollusk. It is a deep-ocean dweller. The shell of Spirula is extremely light in weight, very buoyant, and surprisingly durable; it very commonly floats ashore onto tropical beaches all over the world. This seashell is known to shell collectors as the ram's horn shell or simply as Spirula. |
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