biology

Werdelinus

Werdelinus 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 Werdelinus rather than just read about it. In short: Werdelinus is an extinct genus of hyaenid containing a single known species. Werdelinus africanus is known by material from Toros-Menalla, Chad.

Key takeaways

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

Reference excerpt

Werdelinus is an extinct genus of hyaenid containing a single known species. Werdelinus africanus is known by material from Toros-Menalla, Chad. It lived during the Late Miocene and the Pliocene. Dental wear of Werdelinus africanus indicates that Werdelinus likely had durophagous adaptations, including adaptations to bone-crushing. Analysis of the lower dentition of W. africanus suggests that it was likely durophagous and cursorial.

Characteristics Werdelinus africanus is a large hyaenid characterized by a deep maxilla, low premolars, and a large m1 molar, but significantly reduced M1 and m2 molars. Its maxilla is deeper than those of most hyaenids. Its mandible corpus is shallower than those of most modern hyaenids, including the brown hyena, the striped hyena, and the spotted hyena, and excluding the aardwolf. Despite being shallow its mandible corpus is robust and in life was likely very sturdy to support the probable durophagous tendencies of W. africanus. Werdelinus from Toros-Menalla, Chad, is distinct from other fossil hyaenids known from the same area by characteristics such as its size. W. africanus is larger than Hyaenictitherium minimum (Bonis et al., 2005) and Belbus djurabensis (Bonis et al., 2010) from Toros-Menalla. W. africanus is smaller than Chasmaporthetes cf. australis from Toros-Menalla. In comparison to Chasmaporthetes cf. australis, W. africanus has less robust, less elongated, and lower premolars. The mandible of W. africanus is less robust than that of Chasmaporthetes cf. australis.

Etymology The generic name Werdelinus was chosen in honor of the Paleontologist Lars Werdelin. The specific name of Werdelinus africanus is derived from Africa, the continent where this species was discovered.

References

Worked examples

Example 1 — a first encounter with Werdelinus

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

In research: Werdelinus 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 Werdelinus 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: Werdelinus is common in secondary-school and first-year university syllabi. It links to neighbouring topics Cenozoic mammals of Africa, Fossil taxa described in 2010, Fossils of Africa, so understanding it makes those chapters shorter.
In everyday life: Look for Werdelinus 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 Werdelinus in 20 minutes

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

Frequently asked questions

What is Werdelinus in simple terms?

Werdelinus is an extinct genus of hyaenid containing a single known species. Werdelinus africanus is known by material from Toros-Menalla, Chad.

Why does Werdelinus 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 Werdelinus?

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 Werdelinus.