science

Steleopteron cretacicus

Steleopteron cretacicus 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 Steleopteron cretacicus rather than just read about it. In short: Steleopteron cretacicus (lat.) is a species of extinct winged damselfly from the Jurassic family Steleopteridae that lived in modern Britain during the Early Cretaceous era (136.4–130 million years ago). It is the first member of the Steleopteridae family, to be found living during the Cretaceous period, to be described, and belongs to the genus Steleopteron.

Key takeaways

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

Reference excerpt

Steleopteron cretacicus (lat.) is a species of extinct winged damselfly from the Jurassic family Steleopteridae that lived in modern Britain during the Early Cretaceous era (136.4–130 million years ago). It is the first member of the Steleopteridae family, to be found living during the Cretaceous period, to be described, and belongs to the genus Steleopteron. There is a sister taxon – Steleopteron deichmuelleri. The discovery of the species showed that the family Steleopteridae had not died out by the Cretaceous period. These damselflies were fast insectivorous predators. The species name refers to the fact that the species existed in the Cretaceous period.

Holotype

The holotype, NHMUK CH 879vii, a fossilized wing, was found n lagoonal sediments in the Weald formation (136.4 – 130.0 Ma) in Surrey, United Kingdom. In 2018, Daran Zheng, A. Nel, and Edmund A. Jarzembowski described the species. The specimen is stored in the Department of Earth Sciences, Museum of Natural History London, UK. The pterostigma of the holotype is 2 mm in length and 0.5 mm in width.

References

Illustrations

Worked examples

Example 1 — a first encounter with Steleopteron cretacicus

Start with the simplest possible case. Write down what Steleopteron cretacicus 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 Steleopteron cretacicus 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 Steleopteron cretacicus 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 Steleopteron cretacicus

In research: Steleopteron cretacicus 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 Steleopteron cretacicus 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: Steleopteron cretacicus is common in secondary-school and first-year university syllabi. It links to neighbouring topics Cretaceous insects, Damselflies of Europe, Damselfly stubs, so understanding it makes those chapters shorter.
In everyday life: Look for Steleopteron cretacicus 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 Steleopteron cretacicus in 20 minutes

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

Frequently asked questions

What is Steleopteron cretacicus in simple terms?

Why does Steleopteron cretacicus 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 Steleopteron cretacicus?

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 Steleopteron cretacicus.