''Tectus architectonicus'' is a

species In biology, a species is the basic unit of Taxonomy (biology), classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of ...

of sea snail, a marine gastropod

mollusk Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000 extant species of molluscs are recognized. The number of fossil species is es ...

in the

family Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Idea ...

Tegulidae.

Description

The imperforate, whitish shell has a conical shape. The

whorl A whorl ( or ) is an individual circle, oval, volution or equivalent in a whorled pattern, which consists of a spiral or multiple concentric objects (including circles, ovals and arcs). Whorls in nature File:Photograph and axial plane flo ...

s are flat, subimbricating, and longitudinally costate. The ribs are thick, rounded and subnodose. The base of the shell is flat, and concentrically strongly lirate. The

columella Lucius Junius Moderatus Columella (; Arabic: , 4 – ) was a prominent writer on agriculture in the Roman Empire. His ' in twelve volumes has been completely preserved and forms an important source on Roman agriculture, together with the ...

is short, tortuous, and truncate anteriorly. The margin of the lips is fimbriated.Tryon (1889), Manual of Conchology XI, Academy of Natural Sciences, Philadelphia
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Distribution

The species occurs off Indo-Malaysia,

Oceania Oceania (, , ) is a region, geographical region that includes Australasia, Melanesia, Micronesia, and Polynesia. Spanning the Eastern Hemisphere, Eastern and Western Hemisphere, Western hemispheres, Oceania is estimated to have a land area of ...

, and

Western Australia Western Australia (commonly abbreviated as WA) is a state of Australia occupying the western percent of the land area of Australia excluding external territories. It is bounded by the Indian Ocean to the north and west, the Southern Ocean to ...

References

* Adams, A. 1853. ''Contributions towards a monograph of the Trochidae, a family of gastropodous Mollusca''. Proceedings of the Zoological Society of London 1851(19): 150-192 * Adams, A. 1853. ''Descriptions of new species of Trochidae''. Annals and Magazine of Natural History 2 12: 142-148 * Reeve, L.A. 1861. ''Conchologia iconica''. London : L. Reeve & Co. Vol. 13 * Pilsbry, H.A. 1889. ''Manual of Conchology.'' Philadelphia : Academy of Natural Sciences Philadelphia Vol. 11 519 pp., pls 1-67 * Hedley, C. 1916. ''A preliminary index of the Mollusca of Western Australia''. Journal and Proceedings of the Royal Society of Western Australia 1: 152-226 * Odhner, N.H. 1917. Results of Dr E. Mjöbergs S''wedish scientific expeditions to Australia. 1910-1913, pt XVII, Mollusca''. Kongliga Svenska Vetenskaps-Academiens Nya Handlingar, Stockholm 52(16): 1-115 pls 1-3 * Hedley, C. 1918. ''Narrative of an expedition of exploration in North Western Australia by Herbert Basedow''. Special Report. Mollusca. Transactions of the Royal Geographical Society of Australasia, South Australian Branch 18: 263-283 * Cernohorsky, W.O. 1978. ''Tropical Pacific marine shells''. Sydney : Pacific Publications 352 pp., 68 pls

External links

* {{Taxonbar, from=Q16992977 architectonicus Gastropods described in 1853