earth science

Marginella glabella

Marginella glabella 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 Marginella glabella rather than just read about it. In short: Marginella glabella is a species of colorful small sea snail, a marine gastropod in the family Marginellidae, the margin shells. Description The length of the shell attains 18 mm.

Key takeaways

Marginella glabella 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 Marginella glabella to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Marginella glabella from memory before moving on to harder problems.

Reference excerpt

Marginella glabella is a species of colorful small sea snail, a marine gastropod in the family Marginellidae, the margin shells.

Description The length of the shell attains 18 mm.

Distribution This species is found in Northwest Africa, including Cape Verde (doubtful), Mauritania, Senegal and European waters, including the Canary Islands.

References

Rolán E., 2005. Malacological Fauna From The Cape Verde Archipelago. Part 1, Polyplacophora and Gastropoda. Cossignani T. (2006). Marginellidae & Cystiscidae of the World. L'Informatore Piceno. 408pp. Boyer F. (2015). Révision des marginelles de Linné (Mollusques prosobranches : Marginellidae et Cystiscidae). Xenophora Taxonomy. 8: 33-55

External links

Linnaeus, C. (1758). Systema Naturae per regna tria naturae, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis. Editio decima, reformata [10th revised edition], vol. 1: 824 pp. Laurentius Salvius: Holmiae Dautzenberg P. (1910). Contribution à la faune malacologique de l'Afrique occidentale. Actes de la Société Linnéenne de Bordeaux. 64: 47-228, pls 1-4 Petit de la Saussaye S. (1851). Notice sur le genre Marginelle, Marginella, Lamarck, suivie d'un catalogue synonymique des espèces de ce genre. Journal de Conchyliologie. 2: 38-59 Maltzan, H. von. (1880). Eine neue Molluskengattung. Nachrichtsblatt der deutschen malakozoologischen Gesellschaft. 12: 106-109 Katsanevakis, S.; Bogucarskis, K.; Gatto, F.; Vandekerkhove, J.; Deriu, I.; Cardoso A.S. (2012). Building the European Alien Species Information Network (EASIN): a novel approach for the exploration of distributed alien species data. BioInvasions Records. 1: 235-245

Illustrations

Worked examples

Example 1 — a first encounter with Marginella glabella

Start with the simplest possible case. Write down what Marginella glabella 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 Marginella glabella 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 Marginella glabella 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 Marginella glabella

In research: Marginella glabella 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 Marginella glabella 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: Marginella glabella is common in secondary-school and first-year university syllabi. It links to neighbouring topics Animal taxa named by Carl Linnaeus, Gastropods described in 1758, Gastropods of Cape Verde, so understanding it makes those chapters shorter.
In everyday life: Look for Marginella glabella 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 Marginella glabella in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Marginella glabella 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 Marginella glabella out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Marginella glabella in simple terms?

Marginella glabella is a species of colorful small sea snail, a marine gastropod in the family Marginellidae, the margin shells. Description The length of the shell attains 18 mm.

Why does Marginella glabella 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 Marginella glabella?

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 Marginella glabella.