biology

Pantelosaurus

Pantelosaurus 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 Pantelosaurus rather than just read about it. In short: Pantelosaurus (meaning "complete lizard") is an extinct genus of basal sphenacodonts known from the Early Permian period (Asselian stage) of Saxony, Germany. It contains a single species, Pantelosaurus saxonicus.

Key takeaways

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

Reference excerpt

Pantelosaurus (meaning "complete lizard") is an extinct genus of basal sphenacodonts known from the Early Permian period (Asselian stage) of Saxony, Germany. It contains a single species, Pantelosaurus saxonicus.

Discovery Pantelosaurus is known from about 6 individuals including skulls and partial postcranial skeletons. All specimens were collected at Königin-Carola-Schacht locality, in Dresden, from the uppermost part of the Döhlen Formation, lower Rotliegend Group (Döhlen Basin), dating to the Asselian stage of the Cisuralian series, about 299–296.4 million years old.

Classification Pantelosaurus was first described by von Huene (1925) as a pelycosaur. In 1940, Alfred Sherwood Romer and Llewellyn Price revised the taxonomy of pelycosaurs and synonymized Pantelosaurus with Haptodus, creating the new combination Haptodus saxonicus. After describing a new species of Haptodus in 1977, Currie (1979) synonymized all European haptodontines, as well as Cutleria wilmarthi, with the type of the genus, H. baylei. Later, Laurin (1993 and 1994) considered Haptodontinae to represent a polyphyletic grade of basal sphenacodonts, and revalidated Pantelosaurus among other genera and species. His revision has since been accepted. Only three phylogenetic analyses included Pantelosaurus. Laurin (1994), Fröbisch et al. (2011) and Benson (2012) recovered it as a basal sphenacodont, more derived than Haptodus garnettensis (Currie, 1977) or in a polytomy with it. The cladogram below shows Pantelosaurus' phylogenetic position among other synapsids following Benson (2012).

Spindler (2016) utilized use of the name Palaeohatteriidae for the clade comprising Palaeohatteria and Pantelosaurus.

Etymology Pantelosaurus was first described and named by Friedrich von Huene in 1925 and the type species is Pantelosaurus saxonicus. The generic name is derived from the Greek word pantelos "complete, finished" in reference to the nearly complete condition of the original fossil specimens, providing information on the animal's skull and most of its skeleton. The specific name is derived from the name of the Free State of Saxony in which the holotype was found.

References

Illustrations

Worked examples

Example 1 — a first encounter with Pantelosaurus

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

In research: Pantelosaurus 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 Pantelosaurus 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: Pantelosaurus is common in secondary-school and first-year university syllabi. It links to neighbouring topics Asselian genera, Cisuralian synapsids of Europe, Fossil taxa described in 1925, so understanding it makes those chapters shorter.
In everyday life: Look for Pantelosaurus 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 Pantelosaurus in 20 minutes

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

Frequently asked questions

What is Pantelosaurus in simple terms?

Why does Pantelosaurus 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 Pantelosaurus?

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 Pantelosaurus.