science

Spironematellidae

Spironematellidae is a 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 Spironematellidae rather than just read about it. In short: Spironematellidae (previously known as Spironemidae) is a family of heterotrophic flagellates, in the group Hemimastigophora. They vary in size and shape from the ellipsoid Hemimastix amphikineta (14 × 7 μm) to the vermiform Spironematella terricola (43 × 3 μm), and are united by the possession of two rows of cilia, called kineties.

Key takeaways

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

Reference excerpt

Spironematellidae (previously known as Spironemidae) is a family of heterotrophic flagellates, in the group Hemimastigophora. They vary in size and shape from the ellipsoid Hemimastix amphikineta (14 × 7 μm) to the vermiform Spironematella terricola (43 × 3 μm), and are united by the possession of two rows of cilia, called kineties. Phylogenomic analysis shows that Hemimastigophora are a distinct and ancient lineage of eukaryotic organisms, forming a possible sister clade to the supergroup Diaphoretickes.

Classification The classification of Spironematellidae, as of 2022:

Hemimastix Foissner, Blatterer & Foissner, 1988 H. amphikineta Foissner, Blatterer & Foissner, 1988 H. kukwesjijk Eglit & Simpson, 2018 Stereonema Foissner & Foissner 1993 non Kützing 1836 S. geiseri Foissner & Foissner 1993 Spironematella Silva 1970 emend. Shɨshkin 2022 (=Spironema Klebs 1893 non Vuillemin 1905 non Léger & Hesse 1922 non Rafinesque 1838 non Hochst. 1842 non Lindley 1840 non Meek 1864) S. multiciliata (Klebs 1892) Silva 1970 (=Spironema multiciliatum Klebs 1893) S. terricola (Foissner & Foissner 1993) Shɨshkin 2022 (=Spironema terricola Foissner & Foissner 1993) S. goodeyi (Foissner & Foissner 1993) Shɨshkin 2022(=Spironema goodeyi Foissner & Foissner 1993)

References

Illustrations

Spironematellidae: Spironematella multiciliata — Spironematella multiciliata

Worked examples

Example 1 — a first encounter with Spironematellidae

Start with the simplest possible case. Write down what Spironematellidae claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In 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 Spironematellidae 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 Spironematellidae 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 Spironematellidae

In research: Spironematellidae appears in 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 Spironematellidae 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: Spironematellidae is common in secondary-school and first-year university syllabi. It links to neighbouring topics Hemimastigophora, so understanding it makes those chapters shorter.
In everyday life: Look for Spironematellidae 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 Spironematellidae in 20 minutes

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

Frequently asked questions

What is Spironematellidae in simple terms?

Why does Spironematellidae matter?

Because it connects several 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 Spironematellidae?

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 Spironematellidae.