| Giant sundial | |
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| Shell of Architectonica maxima from Japan at the Museo Civico di Storia Naturale di Milano | |
| Scientific classification | |
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| Species: | A. maxima |
| Binomial name | |
| Architectonica maxima (Philippi, 1849) | |
| Synonyms | |
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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]

Description
Architectonica maxima has a shell that reaches 19 โ 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.
Distribution
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]
Habitat
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 โ 280 m.[5]
References
- 1 2 WoRMS
- 1 2 "Architectonica (Maxima-group) maxima". Gastropods.com. Retrieved 12 January 2019.
- 1 2 3 Ftp.fao
- โ Discover Life
- 1 2 Sealifebase
