biology

Tanystrosuchus

Tanystrosuchus 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 Tanystrosuchus rather than just read about it. In short: Tanystrosuchus (meaning "long crocodile") is a dubious genus of theropod dinosaur from the late Triassic period (middle Norian stage, around 208 million years ago). It is known from a single fossil neck vertebra of the species T. posthumus, found in the Middle Stubensandstein formation of what is present-day Germany.

Key takeaways

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

Reference excerpt

Tanystrosuchus (meaning "long crocodile") is a dubious genus of theropod dinosaur from the late Triassic period (middle Norian stage, around 208 million years ago). It is known from a single fossil neck vertebra of the species T. posthumus, found in the Middle Stubensandstein formation of what is present-day Germany.

History The vertebra used to name Tanystrosuchus (specimen SMNS 4385) was originally found by S.F.J. von Kapff in the 1860s. Christian Erich Hermann von Meyer described the vertebra in 1865, but did not attempt to classify it. In 1907, Friedrich von Huene examined the fossil and recognized it as part of a theropod dinosaur. He thought it probably belonged to the genus Tanystropheus (thought to be a theropod at the time), and named a new species for it, Tanystropheus posthumus. The vertebra was added to the collections of the Staatliches Museum for Naturkunde in Stuttgart, but was labelled as a specimen of the phytosaurid Nicrosaurus. In 2000, Oliver Rauhut and Axel Hungerbühler re-examined the specimen and concluded that, while it was similar in some respects to the same bone in the contemporary Liliensternus, and was definitely from a theropod, it could not be classified due to its incomplete nature. Tanystrosuchus is considered to be a nomen dubium for that reason.

References

Worked examples

Example 1 — a first encounter with Tanystrosuchus

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

In research: Tanystrosuchus 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 Tanystrosuchus 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: Tanystrosuchus is common in secondary-school and first-year university syllabi. It links to neighbouring topics Dinosaur genera, Dinosaurs of Germany, Fossil taxa described in 1908, so understanding it makes those chapters shorter.
In everyday life: Look for Tanystrosuchus 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 Tanystrosuchus in 20 minutes

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

Frequently asked questions

What is Tanystrosuchus in simple terms?

Why does Tanystrosuchus 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 Tanystrosuchus?

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 Tanystrosuchus.