Clanculus ater

Clanculus ater, common name the topsnail, is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.[1]

Clanculus ater
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Clade: Vetigastropoda
Order: Trochida
Superfamily: Trochoidea
Family: Trochidae
Genus: Clanculus
Species:
C. ater
Binomial name
Clanculus ater
(Pilsbry, 1901)
Synonyms

Clanculus microdon var. ater Pilsbry, 1901 (basionym)

Description

The size of the shell varies between 7 mm and 14 mm. The black shell shows a few inconspicuous whitish dots. It has a bright rose apex. The coloration resembles Clanculus atropurpureus. The shell contains 6 whorls. There are about 17 spiral lirae on the body whorl, with threads or minor lirae in some of the intervals. The whorls of Ihe spire are angular by the prominence of the middle beaded cord.[2]

Distribution

This marine species occurs off Japan.

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gollark: I'm not sure if it's particularly *possible* that they could eventually somehow end up doing general-intelligence stuff well, but it might be interesting as a story.
gollark: We already have neural networks optimizing parameters for other neural networks, and machine learning systems are able to beat humans at quite a few tasks already with what's arguably blind pattern-matching.
gollark: One interesting (story-wise) path AI could go down is that we continue with what seems to be the current strategy - blindly evolving stuff without a huge amount of intentional design - and eventually reach human-or-better performance on a lot of tasks (including somewhat general-intelligency ones), while working utterly incomprehensibly to humans.I was going to say this after the very short discussion about ad revenue maximizers but left this half written and forgot.
gollark: And probably isn't smart enough to think very long-term, and isn't in charge of demonetization and stuff.

References

  • Poppe G.T., Tagaro S.P. & Dekker H. (2006) The Seguenziidae, Chilodontidae, Trochidae, Calliostomatidae and Solariellidae of the Philippine Islands. Visaya Supplement 2: 1–228. page(s): 72
  • "Clanculus ater". Gastropods.com. Retrieved 15 January 2019.
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