science

Timeline of Devonian research

Timeline of Devonian research 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 Timeline of Devonian research rather than just read about it. In short: This timeline of Devonian research is a chronological listing of events in the history of geology and paleontology focused on the study of earth during the span of time lasting from 419.2 to 358.9 million years ago and the legacies of this period in the rock and fossil records. 19th century 1844 Agassiz described the new genus Pterygotus. 1859 Dawson described the new genus Prototaxites . 1881 Whiteaves described th…

Key takeaways

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

Reference excerpt

This timeline of Devonian research is a chronological listing of events in the history of geology and paleontology focused on the study of earth during the span of time lasting from 419.2 to 358.9 million years ago and the legacies of this period in the rock and fossil records.

19th century

1844 Agassiz described the new genus Pterygotus.

1859 Dawson described the new genus Prototaxites .

1881 Whiteaves described the new genus Eusthenopteron.

1889 Newberry described the new genus Stethacanthus.

1894 Dean described the new genus Cladoselache.

20th century

1932 Säve-Söderbergh described the new genus Ichthyostega.

1937 W. H. Lang described the new genus Cooksonia.

1952 Jarvik described the new genus and species Acanthostega gunnari.

1956 Lehman described the new genus Dunkleosteus.

1968 Thomson described the new genus Hyneria.

21st century

2006 Daeschler, Shubin & Jenkins described the new genus Tiktaalik.

2010 Gonez and Gerrienne emended genus Cooksonia described by W. H. Lang in 1937.

Illustrations

Worked examples

Example 1 — a first encounter with Timeline of Devonian research

Start with the simplest possible case. Write down what Timeline of Devonian research 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 Timeline of Devonian research 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 Timeline of Devonian research 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 Timeline of Devonian research

In research: Timeline of Devonian research 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 Timeline of Devonian research 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: Timeline of Devonian research is common in secondary-school and first-year university syllabi. It links to neighbouring topics Devonian, Paleontology timelines, so understanding it makes those chapters shorter.
In everyday life: Look for Timeline of Devonian research 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 Timeline of Devonian research in 20 minutes

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

Frequently asked questions

What is Timeline of Devonian research in simple terms?

Why does Timeline of Devonian research 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 Timeline of Devonian research?

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 Timeline of Devonian research.