biology

Palmatolepis

Palmatolepis 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 Palmatolepis rather than just read about it. In short: Palmatolepis is an extinct conodont genus in the family Palmatolepidae. It was the most abundant genus of conodonts of the Late Devonian, disappearing during the Devonian/Carboniferous crisis.

Key takeaways

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

Reference excerpt

Palmatolepis is an extinct conodont genus in the family Palmatolepidae. It was the most abundant genus of conodonts of the Late Devonian, disappearing during the Devonian/Carboniferous crisis.

Species †Palmatolepis glabra †Palmatolepis hassi †Palmatolepis khaensis Savage 2013 †Palmatolepis marki Savage 2013 †Palmatolepis spallettae †Palmatolepis subperlobata †Palmatolepis subperlobata lapoensis Savage 2013 †Palmatolepis triangularis †Palmatolepis unicornis

Use in stratigraphy The Famennian (372.2 ± 1.6 mya) is defined by a GSSP Golden Spike located at Coumiac quarry, Montagne Noire, France where there is a biologic abundant occurrence of Palmatolepis triangularis. During that stage, a biologic event occurred (Upper Kellwasser Extinction of all Ancyrodella and Ozarkodina and most Palmatolepis, Polygnathus and Ancyrognathus.

References

Morphological variation of Palmatolepis Devonian conodonts: species versus genus. Catherine Girard, Sabrina Renaud and Aurélie Sérayet, Comptes Rendus Palevol, Volume 3, Issue 1, January 2004, Pages 1–8, doi:10.1016/j.crpv.2003.09.008 (article in French) Shape Analysis of Frasnian Species of the Late Devonian Conodont Genus Palmatolepis. Gilbert Klapper and C. T. Foster, Jr., Memoir (The Paleontological Society), Vol. 32, Supplement to Vol. 67, no. 4 of the Journal of Paleontology (Jul., 1993), pages 1–35 (Stable URL, retrieved 2 May 2016)

External links "Palmatolepis". The Encyclopedia of Life. Palmatolepis at fossilworks.org (retrieved 2 May 2016)

Worked examples

Example 1 — a first encounter with Palmatolepis

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

In research: Palmatolepis 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 Palmatolepis 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: Palmatolepis is common in secondary-school and first-year university syllabi. It links to neighbouring topics Conodont stubs, Devonian conodonts, Late Devonian animals, so understanding it makes those chapters shorter.
In everyday life: Look for Palmatolepis 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 Palmatolepis in 20 minutes

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

Frequently asked questions

What is Palmatolepis in simple terms?

Palmatolepis is an extinct conodont genus in the family Palmatolepidae. It was the most abundant genus of conodonts of the Late Devonian, disappearing during the Devonian/Carboniferous crisis.

Why does Palmatolepis 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 Palmatolepis?

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 Palmatolepis.