biology

Rafaelnymphes

Rafaelnymphes 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 Rafaelnymphes rather than just read about it. In short: Rafaelnymphes is an extinct genus of lacewing in the family Nymphidae known from a fossil found in South America. The genus contains a single species, Rafaelnymphes cratoensis.

Key takeaways

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

Reference excerpt

Rafaelnymphes is an extinct genus of lacewing in the family Nymphidae known from a fossil found in South America. The genus contains a single species, Rafaelnymphes cratoensis.

History and classification When first described, R. cratoensis was known from a single fossil adult which is a compression-impression fossil preserved in layers of soft sedimentary rock. Along with other well-preserved insect fossils, the R. cratoensis specimen was collected from layers of the Upper Aptian Crato Formation. The formation is composed of unweathered grey and oxidized yellow limestones, which preserved numerous insects, fish, birds and reptiles as a notable lagerstätten. The area is a preserved inland lake or one of a series of lakes, though the nature as a fresh or salt-water body is uncertain. The depth of the basin has been suggested as either shallow or fairly deep. The basin formed near the center of the supercontinent Gondwana during the early part of the diversification of flowering plants. The R. cratoensis holotype specimen was preserved in the Wyoming Dinosaur Center-Crato collection when first studied. The fossil was described by an international team of paleontologists led by Justine Myskowiak in a 2016 paper. The genus name is a combination of Rafael, a patronym honoring Rafael Martins-Neto who specialized in insects of the Crato Formation and nymphes, taken from the family name Nymphidae. They coined the specific epithet cratoensis in reference to the type locality the Crato Formation. R. cratoensis is one of several neuropteran species described from the Crato Formation. Other species include the nymphid Araripenymphes seldoni, the ithonid Principiala incerta and the kalligrammatids Makarkinia adamsi and Makarkinia kerneri.

Description The single fossil has a full body length of approximately 24.0 mm (0.94 in), and is mostly complete, being fossilized upside down with the legs upwards. The antennae, parts of the legs and the genitalia were not preserved. Additionally, details of the upper body, such as the presence of ocelli could not be determined. The head is rectangular in outline with the large compound eyes positioned on the sides. The preserved sections of the legs are slender and attached to the 6.0 mm (0.24 in) long prothorax. The 21.0 mm (0.83 in) long forewings are a dark brown coloring with area and spots that are a slightly darkener tone, possibly preserved color patterning. There are small trichosors present along the apical rear edges of the forewings, and as typical for the family, nygmata are not present on any of the wings. The forewings and hindwings are preserved overlapping each other, obscuring detail of the hindwing venation.

References

External links Data related to Rafaelnymphes at Wikispecies

Worked examples

Example 1 — a first encounter with Rafaelnymphes

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

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

Affiliate

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

How to study Rafaelnymphes in 20 minutes

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

Frequently asked questions

What is Rafaelnymphes in simple terms?

Rafaelnymphes is an extinct genus of lacewing in the family Nymphidae known from a fossil found in South America. The genus contains a single species, Rafaelnymphes cratoensis.

Why does Rafaelnymphes 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 Rafaelnymphes?

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 Rafaelnymphes.