biology

Sinobaatar

Sinobaatar 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 Sinobaatar rather than just read about it. In short: Sinobaatar is a genus of extinct mammal from the Lower Cretaceous of China. It is categorized within the also extinct order Multituberculata and among these it belongs to the plagiaulacid lineage (a possible infraorder).

Key takeaways

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

Reference excerpt

Sinobaatar is a genus of extinct mammal from the Lower Cretaceous of China. It is categorized within the also extinct order Multituberculata and among these it belongs to the plagiaulacid lineage (a possible infraorder). Sinobaatar was a small herbivore during the Mesozoic era, commonly called "the age of the dinosaurs". The genus was named by Hu Y. and Wang Y. in 2002. Three species have been described. It has been found in Lower Cretaceous strata of the Yixian Formation in Liaoning, China. According to Hu & Wang (2002),

"[t]he dental features of Sinobaatar show again that eobaatarids are obviously intermediate between Late Jurassic multituberculates and the later forms". Many Multituberculata are only known from teeth, but the type specimen of Sinobaatar is a reasonably complete skeleton. A probable tyrannosauroid specimen GMV 2124 (also known as NGMC 2124), previously attributed to Sinosauropteryx, contained a jaw of Sinobaatar in its stomach region.

Etymology The name Sinobaatar is a Latin and Mongolian mixture of "Sino–" and "Bataar" (Baghatur) and means "Chinese hero". The type species name is in honor of Lingyuan City.

References

Hurum, Jørn H.; Luo, Zhe-Xi & Kielan-Jaworowska, Zofia (2006): Were mammals originally venomous? Acta Palaeontologica Polonica 51(1): 1–11. PDF fulltext Kielan-Jaworowska, Zofia & Hurum, Jørn H. (2001): Phylogeny and Systematics of multituberculate mammals. Paleontology 44: 389–429. Kusuhashi, Hu, Wang, Setoguchi & Matsuoka (2009): Two eobaatarid (Multituberculata; Mammalia) genera from the Lower Cretaceous Shahai and Fuxin Formations, Northeastern China. Journal of Vertebrate Paleontology 29(4): 1264–1288. Hu & Wang (2002): Sinobaatar gen. nov.: First multituberculate from the Jehol Biota of Liaoning, Northeast China. Chinese Science Bulletin 47(11): 933–938. Much of the above material has been derived from Mesozoic Mammals: Plagiaulacidae, Albionbaataridae, Eobaataridae & Arginbaataridae

Illustrations

Worked examples

Example 1 — a first encounter with Sinobaatar

Start with the simplest possible case. Write down what Sinobaatar 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 Sinobaatar 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 Sinobaatar 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 Sinobaatar

In research: Sinobaatar 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 Sinobaatar 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: Sinobaatar is common in secondary-school and first-year university syllabi. It links to neighbouring topics Cretaceous mammals, Mesozoic mammal stubs, Multituberculata, so understanding it makes those chapters shorter.
In everyday life: Look for Sinobaatar 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.

Affiliate

Preply — study more efficiently by working with a personal tutor. 50% off.

How to study Sinobaatar in 20 minutes

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

Frequently asked questions

What is Sinobaatar in simple terms?

Why does Sinobaatar 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 Sinobaatar?

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 Sinobaatar.