biology

Theiophytalia

Theiophytalia 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 Theiophytalia rather than just read about it. In short: Theiophytalia is a genus of herbivorous iguanodontian dinosaur from the lower Cretaceous period (Aptian-Albian stage, about 112 million years ago) of Colorado, USA. It contains a single species, T. kerri.

Key takeaways

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

Reference excerpt

Theiophytalia is a genus of herbivorous iguanodontian dinosaur from the lower Cretaceous period (Aptian-Albian stage, about 112 million years ago) of Colorado, USA. It contains a single species, T. kerri.

Description

Detailed comparisons by Brill and Carpenter (2006) also showed that the skull differed in a number of key features from that of Camptosaurus, namely: a longer, heavier, and more rugose snout; a wider dorsal process on the maxilla; a proportionally smaller antorbital fenestra; and stouter quadrate, with a bulbous articulation for the lower jaw. Compare the skull image with that of Camptosaurus. Therefore, they put it into its own genus and species.

Discovery

In 1878, a student of Colorado College named James Kerr found a partial ornithopod skull at Garden of the Gods park in El Paso County, Colorado. The skull, YPM 1887, was referred by O.C. Marsh (affirmed by Gilmore, 1909), to whom the skull was given in 1886, as that of Camptosaurus amplus. Gilmore used the skull to reconstruct the skull of Camptosaurus assuming that it came from the Morrison Formation. However, microscopic comparisons of thin-sections of the Mesozoic formations in the Garden of the Gods showed that the specimen actually came from the Lytle Member of the Purgatoire Formation; therefore, the skull was Early Cretaceous in age. The generic name is, from Greek, θειος, theios: "divine" + Greek φυταλία, phytalia: "garden", or "garden of the gods". Garden of the Gods is a park in Colorado Springs, Colorado, where a skull, the only fossil of the genus yet to be discovered, was found in 1878. The specific name kerri honors James Hutchinson Kerr, who found the specimen.

Classification The article describing the find classified Theiophytalia as intermediate in derivation between Camptosaurus and Iguanodon. The type species is Theiophytalia kerri. In 2010 and 2011 cladistic analyses of McDonald and colleagues, Theiophytalia has been recovered as a basal member of the Styracosterna and its closest relative was Hippodraco.

References

External links Dinosaur Mailing List entry, which announces the new genus

Illustrations

Worked examples

Example 1 — a first encounter with Theiophytalia

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

In research: Theiophytalia 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 Theiophytalia 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: Theiophytalia is common in secondary-school and first-year university syllabi. It links to neighbouring topics Albian dinosaurs, Ankylopollexia, Dinosaur genera, so understanding it makes those chapters shorter.
In everyday life: Look for Theiophytalia 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 Theiophytalia in 20 minutes

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

Frequently asked questions

What is Theiophytalia in simple terms?

Why does Theiophytalia 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 Theiophytalia?

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 Theiophytalia.