biology

Nemegtonykus

Nemegtonykus is a biology 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 Nemegtonykus rather than just read about it. In short: Nemegtonykus (meaning "Nemegt claw") is a genus of alvarezsaurid dinosaur from the Late Cretaceous ( Maastrichtian) Nemegt Formation of Mongolia. The type and only species is Nemegtonykus citus.

Key takeaways

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

Reference excerpt

Nemegtonykus (meaning "Nemegt claw") is a genus of alvarezsaurid dinosaur from the Late Cretaceous ( Maastrichtian) Nemegt Formation of Mongolia. The type and only species is Nemegtonykus citus. It is the second alvarezsaurid known from the Nemegt Formation, preceded by Mononykus.

Discovery

In 2008, the Korea-Mongolia International Dinosaur Expedition at the Altan Uul III site in the Gobi Desert excavated a dense concentration of theropod skeletons. Some of these were of Gobiraptor as well as a yet undescribed oviraptorid but three were of Alvarezsauridae. One specimen, MPC-D 100/206, was considered cf. Mononykus sp. but the other two represented a species new to science. In 2019, the type species Nemegtonykus citus was named and described by Lee Sungjin, Park Jin-Young, Lee Yuong-Nam, Kim Su-Hwan, Lü Junchang, Rinchen Barsbold and Khishigjav Tsogtbaatar. The generic name combines a reference to the Nemegt with a Greek ὄνυξ, onyx, "claw", analogous to Mononykus. The specific name means "the fast one" in Latin. The holotype, MPC-D 100/203, was found in a layer of the Nemegt Formation (perhaps late Campanian - early Maastrichtian). It consists of a partial skeleton lacking the skull. It contains six back vertebrae, two sacral vertebrae, twenty-one tail vertebrae, five ribs, the left shoulder girdle, the left pubic bone, parts of other pelvic bones, the left hindlimb and the right shinbone. The left hindlimb and the tail were articulated. The other bones were associated on a small surface.

References

Illustrations

Worked examples

Example 1 — a first encounter with Nemegtonykus

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

In research: Nemegtonykus appears in biology 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 Nemegtonykus 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: Nemegtonykus is common in secondary-school and first-year university syllabi. It links to neighbouring topics Alvarezsauridae, Dinosaur genera, Dinosaurs of Mongolia, so understanding it makes those chapters shorter.
In everyday life: Look for Nemegtonykus 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 Nemegtonykus in 20 minutes

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

Frequently asked questions

What is Nemegtonykus in simple terms?

Nemegtonykus (meaning "Nemegt claw") is a genus of alvarezsaurid dinosaur from the Late Cretaceous ( Maastrichtian) Nemegt Formation of Mongolia. The type and only species is Nemegtonykus citus.

Why does Nemegtonykus matter?

Because it connects several biology 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 Nemegtonykus?

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 Nemegtonykus.