biology

Nevobatrachus

Nevobatrachus 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 Nevobatrachus rather than just read about it. In short: Nevobatrachus gracilis is the only species in the extinct genus Nevobatrachus, a genus of prehistoric frogs. The original generic name of this frog was Cordicephalus Nevo (1968); however, this generic name turned out to be preoccupied by a cestode genus Cordicephalus Wardle, McLeod & Stewart (1947), which remains nomenclaturally available in spite of being considered a junior synonym of the diphyllobothriid genus Py…

Key takeaways

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

Reference excerpt

Nevobatrachus gracilis is the only species in the extinct genus Nevobatrachus, a genus of prehistoric frogs. The original generic name of this frog was Cordicephalus Nevo (1968); however, this generic name turned out to be preoccupied by a cestode genus Cordicephalus Wardle, McLeod & Stewart (1947), which remains nomenclaturally available in spite of being considered a junior synonym of the diphyllobothriid genus Pyramicocephalus. Mahony (2019) coined a replacement name Nevobatrachus. Fossils of N. gracilis were found in a lacustrine deposit in Makhtesh Ramon called "Amphibian Hill" and it is believed they lived during the Lower Cretaceous. When first described by Eviatar Nevo of the University of Haifa (in 1968) the genus Cordicephalus was thought to contain two species, C. gracilis and C. longicostatus. Since then it was redescribed and it was determined that N. gracilis was the only species in the genus.

Etymology The original genus' name derives from the Latin cordi (cor meaning heart) and cephalus (meaning head). The name comes from the heart-like shape of its skull. The species name, gracilis, comes from the Latin for slender. The replacement generic name is derived from the surname of Eviatar Nevo and from batrachus, a Greek word for a frog.

Description Like its close relatives, N. gracilis was fairly small, about 30 millimetres (1.2 in) in length. It had a flat skull which was almost as wide as it was long, features usually found in aquatic animals. Other features that support that view that N. gracilis had a mainly aquatic lifestyle is its short axial column as well as large foot bones which may imply extensive webbing.

Taxonomy Nevobatrachus is considered to be a member of the clade Pipimorpha, related to the living family Pipidae.

Worked examples

Example 1 — a first encounter with Nevobatrachus

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

In research: Nevobatrachus 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 Nevobatrachus 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: Nevobatrachus is common in secondary-school and first-year university syllabi. It links to neighbouring topics Early Cretaceous amphibians of Asia, Early Cretaceous frogs, Fossil taxa described in 2019, so understanding it makes those chapters shorter.
In everyday life: Look for Nevobatrachus 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 Nevobatrachus in 20 minutes

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

Frequently asked questions

What is Nevobatrachus in simple terms?

Why does Nevobatrachus 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 Nevobatrachus?

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 Nevobatrachus.