biology

Griphodon

Griphodon 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 Griphodon rather than just read about it. In short: Griphodon is an extinct genus of mammals, belonging to the order Pyrotheria. It lived during the Middle Eocene, in what is now Peru.

Key takeaways

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

Reference excerpt

Griphodon is an extinct genus of mammals, belonging to the order Pyrotheria. It lived during the Middle Eocene, in what is now Peru.

Description All that is known about this animal is a fragment of a mandible complete with teeth. Its teeth were two-crested, slightly more transversal than in other genera such as Carolozittelia, but there are indications of the presence of a longitudinal crest, and even, in the third premolar, of a complete crest, not found in Pyrotherium.

Classification Griphodon peruvianus was first described in 1924 by Anthony, who considered it to be a Perissodactyl. The fragmentary fossil was found near Chicoca, along the Huallaga River by J. G. Richards. Subsequently the genus was considered a basal member of the Pyrotheres, a mysterious clade of heavy-shaped mammals from the Early Cenozoic of South America, of uncertain affinities. Other fossils attributed to Griphodon were later found near Contamana in the Loreto Province of Peru.

Paleoecology Griphodon seems to had a diet mainly composed of tough plants, which were crushed by its powerful crested teeth.

References

Bibliography B. J. Shockey and F. Anaya-Daza. 2004. Pyrotherium macfaddeni, sp. nov. (late Oligocene, Bolivia) and the pedal morphology of pyrotheres. Journal of Vertebrate Paleontology 24(2):481-488 P. Antoine, M. A. Abello, S. Adnet, A. J. Altamirano Sierra, P. Baby, G. Billet, M. Boivin, Y. Calderón, A. Candela, J. Chabain, F. Corfu, D. A. Croft, M. Ganerød, C. Jaramillo, S. Klaus, L. Marivaux, R. E. Navarrete, M. J. Orliac, F. Parra, M. E. Pérez, F. Pujos, J. Rage, and A. R. 2016. A 60-million-year Cenozoic history of western Amazonian ecosystems in Contamana, eastern Peru. Gondwana Research 31:30-59

Illustrations

Worked examples

Example 1 — a first encounter with Griphodon

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

In research: Griphodon 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 Griphodon 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: Griphodon is common in secondary-school and first-year university syllabi. It links to neighbouring topics Eocene mammals of South America, Fossil taxa described in 1924, Fossils of Peru, so understanding it makes those chapters shorter.
In everyday life: Look for Griphodon 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 Griphodon in 20 minutes

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

Frequently asked questions

What is Griphodon in simple terms?

Griphodon is an extinct genus of mammals, belonging to the order Pyrotheria. It lived during the Middle Eocene, in what is now Peru.

Why does Griphodon 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 Griphodon?

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 Griphodon.