biology

Urotherium

Urotherium 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 Urotherium rather than just read about it. In short: Urotherium is a dubious extinct genus of Glyptodont. It lived from the Late Miocene to the Late Pliocene, and its fossilized remains were found in South America.

Key takeaways

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

Reference excerpt

Urotherium is a dubious extinct genus of Glyptodont. It lived from the Late Miocene to the Late Pliocene, and its fossilized remains were found in South America.

Description This animal, like all glyptodonts, had a strong dorsal armor composed of numerous osteoderms fused together. The genus was characterized by an almost cylindrical caudal tube, obtuse and covered of small and raised osteoderms separated by wide and deep furrows. A pair of lateral osteoderms was preceded by other poorly differentiated osteoderms. The osteoderms of the carapace resembled those of the genus Trachycalyptus, remarkably wrinkled and strongly punctuated, with a barely distinct central figure, less dotted than the peripheral area. Compared to Trachycalyptus, the osteoderms of Urotherium were thicker and more rounded. In the species Urotherium simile, the osteoderms had lost their sutures and resembled those of Glyptodon.

Classification The genus Urotherium was first described in 1926 by Castellanos, based on fossil remains found in Argentina found in Late Miocene-Early Pliocene terrains. The type species is Urotherium simplex; another species, U. simile, was described in 1948 by Castellanos, and U. simile was later ascribed to the genus, having originally been described by Florentino Ameghino as belonging to another genus of glyptodont. The status of U. antiquus, another species, is disputed between the genera Neuryurus and Plohophorus. Urotherium was a genus of glyptodont of uncertain affinities, variously placed within the tribes Neuryurini, Hoplophorini and Lomaphorini. It may have been the sister taxon of the genus Neuryurus.

Bibliography Castellanos A. 1926. Sobre un nuevo gliptodóntido chapadmalense. Urotherium simplex n. gen. n. sp. y las formas afines. An Mus Nac Hist Nat Buenos Aires 60: 263-278. Castellanos A. 1948. La presencia del género "Urotherium" en el "Araucanense" del Valle del Yocavil (Santa María), provincias de Catamarca y Tucumán. Pub Inst Fisiogr Geol 35: 1-16. Zurita, A.E., Taglioretti, M., De los Reyes, Martin., Cuadrelli, F., and Poire, D. 2016. Regarding the real diversity of Glyptodontidae (Mammalia, Xenarthra) in the late Pliocene (Chapadmalalan Age/Stage) of Argentina. Anais da Academia Brasileira de Ciências, 88:809-821.

References

Worked examples

Example 1 — a first encounter with Urotherium

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

In research: Urotherium 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 Urotherium 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: Urotherium is common in secondary-school and first-year university syllabi. It links to neighbouring topics Fossil taxa described in 1926, Fossils of Argentina, Fossils of Uruguay, so understanding it makes those chapters shorter.
In everyday life: Look for Urotherium 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 Urotherium in 20 minutes

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

Frequently asked questions

What is Urotherium in simple terms?

Urotherium is a dubious extinct genus of Glyptodont. It lived from the Late Miocene to the Late Pliocene, and its fossilized remains were found in South America.

Why does Urotherium 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 Urotherium?

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 Urotherium.