science

Pterosaur Beach

Pterosaur Beach is a science 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 Pterosaur Beach rather than just read about it. In short: Pterosaur Beach (French: Plage aux Ptérosaures) is a French palaeoichnologic site bearing tracks made by dinosaurs and pterosaurs. Located on the Mas de Pégourdy in the commune of Crayssac in the department of Lot, the site is notable because it is the first place that the fossil footprints of a landing pterosaur have been discovered.

Key takeaways

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

Reference excerpt

Pterosaur Beach (French: Plage aux Ptérosaures) is a French palaeoichnologic site bearing tracks made by dinosaurs and pterosaurs. Located on the Mas de Pégourdy in the commune of Crayssac in the department of Lot, the site is notable because it is the first place that the fossil footprints of a landing pterosaur have been discovered. The fossil footprints are approximately 140 million years old.

Description Pterosaur Beach was, at the end of the Jurassic era, a mudflat, flooded at high tide, on a marine lagoon in a gulf that opened on the Atlantic Ocean between Bordeaux and the island of Oléron. On it, animals foraged for food. The site has hundreds of fossilized trackways. The site as a whole covers an area of around 10 hectares and is 1.2 metres thick. The site was discovered in 1993. Jean-Michel Mazin, research director of the CNRS at Claude Bernard University, oversaw the research there. Forty species of ichnotaxa have been identified. Pterosaur Beach is protected by a metallic building, in which paleontologists work in near-complete darkness, for only a raking light can expose the ground contours and sometimes reveal new tracks. In 2009, the paleontologist Kevin Padian from the University of California at Berkeley, studied one set of pterosaur beach prints and suggested that they represented an aerial landing with the pterosaur's two "feet" side by side; then, after a jump, its two "hands" were used, and the pterosaur began to walk on all fours. For his part, the paleontologist David Unwin did not exclude that these could be swimming marks. Padian replied that if that were the case, the marks would be less clear, less marked. Martin Lockley also judged that it was indeed a landing; the other hypotheses were not convincing.

Gallery

See also Natural reserve of geological interest of the department of Lot

References

External links First record of a pterosaur landing trackway, by Jean-Michel Mazin, Jean-Paul Billon-Bruyat, and Kevin Padian, Proceedings of the Royal Society B: Biological Sciences, 2009 Movie extract from "La plage aux ptérosaures", by Pierre Saunier La Plage aux Ptérosaures

Illustrations

Worked examples

Example 1 — a first encounter with Pterosaur Beach

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

In research: Pterosaur Beach appears in science 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 Pterosaur Beach 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: Pterosaur Beach is common in secondary-school and first-year university syllabi. It links to neighbouring topics Fossil trackways, Jurassic France, Jurassic stubs, so understanding it makes those chapters shorter.
In everyday life: Look for Pterosaur Beach 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.

Ask Teacher Smith questions about this articleOpens your AI tutor with a question about “Pterosaur Beach” →

Affiliate

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

How to study Pterosaur Beach in 20 minutes

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

Frequently asked questions

What is Pterosaur Beach in simple terms?

Why does Pterosaur Beach matter?

Because it connects several science 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 Pterosaur Beach?

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 Pterosaur Beach.