biology

Tangvayosaurus

Tangvayosaurus 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 Tangvayosaurus rather than just read about it. In short: Tangvayosaurus (meaning "Tang Vay lizard") is a genus of sauropod dinosaur from the Lower Cretaceous (Aptian to Albian ages) Grès supérieurs Formation of Savannakhet Province, Laos. It was a basal somphospondylan, measuring about 15 m (49 ft) long, and is known from the remains of two or three individuals.

Key takeaways

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

Reference excerpt

Tangvayosaurus (meaning "Tang Vay lizard") is a genus of sauropod dinosaur from the Lower Cretaceous (Aptian to Albian ages) Grès supérieurs Formation of Savannakhet Province, Laos. It was a basal somphospondylan, measuring about 15 m (49 ft) long, and is known from the remains of two or three individuals.

Description

It is based on TV4-1 to TV4-36, consisting of a partial pelvis, several back vertebrae and a tail vertebra, ribs, and an upper arm bone (humerus). Another skeleton includes 38 tail vertebrae, a neck vertebra, and most of a hind limb. The type species, Tangvayosaurus hoffeti, was described by a group of a dozen scientists led by Ronan Allain in 1999 and the species name honours French palaeontologist Joshua Hoffet. Allain et al. also referred the old species "Titanosaurus" falloti (Hoffet, 1942), from the same formation and based on partial thigh bones and tail vertebrae, to their genus as T. sp. The most recent review tentatively retains the genus because it is different from the only other established sauropod from the same approximate time but found next door in Thailand (Phuwiangosaurus), but disagrees with adding T. falloti to it.

Classification Although consistently recovered within the Somphospondyli, the exact placement of Tangvayosaurus is debated. It was initially assigned by Allain et al. (1999) to the Titanosauria, who noted strong affinities to Phuwiangosaurus, which they also considered a titanosaur. A more recent review by Suteethorn et al. (2010) resolved both Tangvayosaurus and Phuwiangosaurus as more basal titanosauriforms. The cladogram below follows this analysis.

D'Emic (2012) found that Tangvayosaurus was the sister taxon of Phuwiangosaurus within the Euhelopodidae.

References

Illustrations

Worked examples

Example 1 — a first encounter with Tangvayosaurus

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

In research: Tangvayosaurus 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 Tangvayosaurus 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: Tangvayosaurus is common in secondary-school and first-year university syllabi. It links to neighbouring topics Dinosaur genera, Dinosaurs of Asia, Early Cretaceous dinosaurs, so understanding it makes those chapters shorter.
In everyday life: Look for Tangvayosaurus 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 Tangvayosaurus in 20 minutes

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

Frequently asked questions

What is Tangvayosaurus in simple terms?

Why does Tangvayosaurus 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 Tangvayosaurus?

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 Tangvayosaurus.