biology

Lacusovagus

Lacusovagus 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 Lacusovagus rather than just read about it. In short: Lacusovagus (meaning "lake wanderer") is a genus of azhdarchoid pterodactyloid pterosaur from the Lower Cretaceous of Brazil. Discovery and naming It is based on SMNK PAL 4325, a partial upper jaw comprising sections of the skull in front of the eyes.

Key takeaways

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

Reference excerpt

Lacusovagus (meaning "lake wanderer") is a genus of azhdarchoid pterodactyloid pterosaur from the Lower Cretaceous of Brazil.

Discovery and naming It is based on SMNK PAL 4325, a partial upper jaw comprising sections of the skull in front of the eyes. This specimen was found in rocks of the Early Cretaceous-age (probably Aptian stage, about 120 to 93 million years ago) Nova Olinda Member of the Crato Formation.

Description

The skull was long, and unusually wide. The section in front of the combined nasal-antorbital fenestra was relatively short. Also unusual was the combination of its toothless jaws and no bony head crest. Lacusovagus was described in 2008 by Mark Witton. The type species is L. magnificens, meaning "grand lake wanderer", in reference to its large size—it is currently the largest pterosaur known from the Crato Formation with an estimated wingspan of approximately 4 metres (13 ft) and a body mass of 30 kg (66 lb).

Classification Lacusovagus shares many characteristics with the basal azhdarchoid family Chaoyangopteridae. Preliminary studies suggested it was a member of that clade, and a position within Chaoyangopteridae has been supported by numerous subsequent studies. However, alternative phylogenetic analyses have recovered it within the genus Tupuxuara, a member of the Thalassodromidae, or within Tapejaridae.

See also List of pterosaur genera Timeline of pterosaur research Pterosaur size

References

External links Informal discussion of Lacusovagus by its describer

Illustrations

Worked examples

Example 1 — a first encounter with Lacusovagus

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

In research: Lacusovagus 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 Lacusovagus 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: Lacusovagus is common in secondary-school and first-year university syllabi. It links to neighbouring topics Azhdarchoidea, Crato Formation, Cretaceous Brazil, so understanding it makes those chapters shorter.
In everyday life: Look for Lacusovagus 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.

Ask Teacher Smith questions about this articleOpens your AI tutor with a question about “Lacusovagus” →

Affiliate

Preply — study more efficiently by working with a personal tutor. 50% off.

How to study Lacusovagus in 20 minutes

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

Frequently asked questions

What is Lacusovagus in simple terms?

Lacusovagus (meaning "lake wanderer") is a genus of azhdarchoid pterodactyloid pterosaur from the Lower Cretaceous of Brazil. Discovery and naming It is based on SMNK PAL 4325, a partial upper jaw comprising sections of the skull in front of the eyes.

Why does Lacusovagus 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 Lacusovagus?

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 Lacusovagus.