Architectonica trochlearis
| Architectonica trochlearis | |
|---|---|
| |
| Shell of Architectonica trochlearis (specimen at the Natural History Museum, Rotterdam) | |
Scientific classification 
| |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Family: | Architectonicidae |
| Genus: | Architectonica |
| Species: | A. trochlearis
|
| Binomial name | |
| Architectonica trochlearis (Hinds, 1844)
| |
| Synonyms | |
|
Solarium trochleare Hinds, 1844 | |
Architectonica trochlearis 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
The diameter of the shell attains 40 mm.
(Original description in Latin) The shell is orbiculato-conoidal (with a conical spire but a rounded, almost disc-like base) and is somewhat depressed. The whorls are somewhat swollen. The whorls of the spire are longitudinally folded (plicate), while the body whorl is smooth. They are divided superiorly by a single groove. The uppermost area is banded with dark-brown, and it is encircled below with quadrate dark-brown spots. It is keeled at the periphery and articulately ornamented with white and dark-brown spots. The base is a little swollen. The umbilicus is large and wide-open, possessing somewhat acute brown crenations.[2]
Distribution
This marine species can be found off East Asia and Southeast Asia (Japan, China, the Philippines); East Africa, the Red Sea and Australia (Northern Territory, Queensland)
References
- ^ Architectonica trochlearis (Hinds, 1844). 12 November 2025. Retrieved through: World Register of Marine Species.
- ^ Hinds, R.B. (1844). "Description of new species of shells". Proceedings of the Zoological Society of London. 1844 (12): 25. Retrieved 12 November 2025.
This article incorporates text from this source, which is in the public domain.
- Bieler, R. (1993). Architectonicidae of the Indo-Pacific (Mollusca, Gastropoda). Abhandlungen des Naturwissenschaftlichen Vereins in Hamburg. NF. 30: 1–376.
- Liu, J.Y. [Ruiyu] (ed.). (2008). [Checklist of marine biota of China seas]. China Science Press. 1267 pp.
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