earth science

Truncatella subcylindrica

Truncatella subcylindrica is a earth science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Truncatella subcylindrica rather than just read about it. In short: Truncatella subcylindrica is a species of small land snail that lives at the edge of the sea. It has gills and an operculum and is gastropod mollusk or micromollusk in the family Truncatellidae.

Key takeaways

Truncatella subcylindrica belongs to earth science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Truncatella subcylindrica to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Truncatella subcylindrica from memory before moving on to harder problems.

Reference excerpt

Truncatella subcylindrica is a species of small land snail that lives at the edge of the sea. It has gills and an operculum and is gastropod mollusk or micromollusk in the family Truncatellidae.

Description

This species of snail has a shell which is light in color, and which can reach 5 mm in length. Like all other species in this genus, the shell loses its apical whorls as it grows, giving it a truncated and cylindrical appearance.

Distribution This snail is native to areas of the northeastern Atlantic coastline, from Morocco and the Mediterranean coast to the Black Sea. This native distribution includes Great Britain. There are also some early records from the late 1800s for the eastern United States, on the coast of Newport, Rhode Island, where it was presumably introduced.

Habitat

This species is found in marine coastal environments, near or just above the high tide line on stones and pebbles, fine sediments and decomposing vegetation. It prefers the edge of sheltered waters where the salinity is at 18–40 psu.

Life cycle The sexes are separate. Fertilized eggs are laid as egg capsules, which are attached to detritus.

References This article incorporates public domain text from the reference

Locard, A. (1894). Description des mollusques quaternaires nouveaux recueillis aux environs de Crémieu (Isère) par M. le Dr Jaquemet. Annales de la Société Linnéenne de Lyon (N.S.). 41: 201-220. Rowson, B., Powell, H., Willing, M., Dobson, M. & Shaw, H. (2021). Freshwater Snails of Britain and Ireland. FSC Publications, Telford, UK.

External links Linnaeus, C. (1767). Systema naturae per regna tria naturae: secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis. Ed. 12. 1., Regnum Animale. 1 & 2. Holmiae Monterosato, T. A. di. (1878). Note sur quelques coquilles provenant des côtes d'Algérie. Supplément. Journal de Conchyliologie. 26 (4): 313-321 Issel, A. (1880). Crociera del Violante comandato dal capitano armatore Enrico d'Albertis dureante l'anno 1877. I. Parte narrativa (pp. 199-236). II. Risultati Scientifici. Cenni sulla geologia della Galita (pp. 237-258). Molluschi terrestri e d'acqua dolce, viventi e fossili (pp. 259-282). Annali del Museo civico di storia naturale di Genova. (1) 15: 199-282 Scacchi, A. (1836). Catalogus conchyliorum Regni Neapolitani. Neapoli (Naples): Typis Filiatre-Sebetii. 18 p., 1 pl. Risso, A. (1826-1827). Histoire naturelle des principales productions de l'Europe Méridionale et particulièrement de celles des environs de Nice et des Alpes Maritimes. Paris, F.G. Levrault. 3(XVI): 1-480, 14 pls. Leach, W. E. (1852). Molluscorum Britanniae Synopsis. A synopsis of the Mollusca of Great Britain arranged according to their natural affinities and anatomical structure. Van Voorst, London, viii + 376 pp. (edited posthumously by J. E. Gray). ayraudeau, B. C. (1826). Catalogue descriptif et méthodique des annelides et des mollusques de l'Ile de Corse; avec huit planches représentant quatre-vingt-huit espèces, dont soixante-huit nouvelles. 218 pp. Paris Mousson, A. (1873). Diagnosen neuer Mollusken aus West-Marokko, von Dr. von Fritsch und Dr. Rein gesammelt. Malakozoologische Blätter. 21: 149-157. Cassel. Shuttleworth, R. J. (1852). Diagnosen einiger neuen Mollusken aus den Canarischen Inseln. Mittheilungen der Naturforschenden Gesellschaft in Bern. 1852 (241/242): 137-146. Bern Lowe, R. T. (1832). On the genera Melampus, Pedipes and Truncatella with experiments tending to demonstrate the nature of the respiratory organs of these Mollusca. Zoological Journal. 5: 280-305, pl. 13 Montagu, G. (1803). Testacea Britannica or natural history of British shells, marine, land, and fresh-water, including the most minute: Systematically arranged and embellished with figures. J. White, London, Vol. 1, xxxvii + 291 pp;; Vol. 2, pp. 293–606, pl. 1-16 Bucquoy, E., Dautzenberg, P. & Dollfus, G. (1882-1886). Les mollusques marins du Roussillon. Tome Ier. Gastropodes. Paris: Baillière & fils. 570 pp., 66 pls Serres, M. de. (1853). Note sur les dépôts diluviens, les sables et les marnes teriaires d'eau douce mis à découvert lors des fondations du Palais-de-Justice de Montpellier. Revue et magasin de zoologie pure et appliquée, 2e série. 5: 446-461, 557-565 Gofas, S.; Le Renard, J.; Bouchet, P. (2001). Mollusca. in: Costello, M.J. et al. (eds), European Register of Marine Species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Patrimoines Naturels. 50: 180-213 Shuttleworth, R. J. (1854). Beiträge zur näheren Kenntniss der Land- und Süsswasser-Mollusken der Insel Portorico (Schluss). Mittheilungen der Naturforschenden Gesellschaft in Bern. 1854 (321/322): 89-103 Smith, E. A. (1896). A list of the land and freshwater Mollusca of Trinidad. Journal of Conchology. 8: 231-251, pl. 8, London Martens, E. von. (1877). Land- und Süsswasser-Schnecken von Puerto Rico. Jahrbücher der Deutschen Malakozoologischen Gesellschaft. 4(3): 340-362, pl. 12 Guppy, R. J. L. (1893). The land and freshwater Mollusca of Trinidad. Journal of Conchology. 7: 210-231 Media related to Truncatella subcylindrica at Wikimedia Commons

Illustrations

Worked examples

Example 1 — a first encounter with Truncatella subcylindrica

Start with the simplest possible case. Write down what Truncatella subcylindrica claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In earth science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Truncatella subcylindrica before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Truncatella subcylindrica ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Truncatella subcylindrica

In research: Truncatella subcylindrica appears in earth science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Truncatella subcylindrica in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Truncatella subcylindrica is common in secondary-school and first-year university syllabi. It links to neighbouring topics Animal taxa named by Carl Linnaeus, Gastropods described in 1767, Gastropods of Africa, so understanding it makes those chapters shorter.
In everyday life: Look for Truncatella subcylindrica outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Truncatella subcylindrica in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Truncatella subcylindrica means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Truncatella subcylindrica out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Truncatella subcylindrica in simple terms?

Truncatella subcylindrica is a species of small land snail that lives at the edge of the sea. It has gills and an operculum and is gastropod mollusk or micromollusk in the family Truncatellidae.

Why does Truncatella subcylindrica matter?

Because it connects several earth science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Truncatella subcylindrica?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Truncatella subcylindrica.