Giant sundial | |
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Shell of Architectonica maxima from Japan at the Museo Civico di Storia Naturale di Milano | |
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Species: | A. maxima
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Binomial name | |
Architectonica maxima (
Philippi, 1849)
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Architectonica maxima, common name giant sundial, is a species of sea snail, a marine gastropod mollusk in the family Architectonicidae, which are known as the staircase shells or sundials. [1]
Architectonica maxima has a shell that reaches 19 – 82 mm [2] and it is the largest member of the sundial family. This shell is low-spired and quite flattened, with a beaded surface. The shoulder slope is divided into two ribs by a spiral groove. [3] The basic color is cream, with brown spots.
This species can be found in the Indo-Pacific, from East Africa and the Persian Gulf to western Pacific, Japan, eastern Australia, New Zealand, New Caledonia and Hawaii. [2] [4] [5] [3]
Giant sundial is a carnivore deeper water sea snail living on sandy patches and muddy sublittoral bottoms, [3] close to soft corals, at a depth of 10 – 280 m. [5]