science

Parviraptor

Parviraptor is a science 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 Parviraptor rather than just read about it. In short: Parviraptor (lit. 'small robber') is a genus of reptiles in the enigmatic family Parviraptoridae. It contains one species, Parviraptor estesi, known from the Late Jurassic (Tithonian) or Early Cretaceous (Berriasian) Purbeck Limestone Formation of Dorset, England.

Key takeaways

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

Reference excerpt

Parviraptor (lit. 'small robber') is a genus of reptiles in the enigmatic family Parviraptoridae. It contains one species, Parviraptor estesi, known from the Late Jurassic (Tithonian) or Early Cretaceous (Berriasian) Purbeck Limestone Formation of Dorset, England. A second species, Parviraptor gilmorei, was described from the Late Jurassic Morrison Formation of Western North America, but it was subsequently transferred to the separate genus Diablophis. An indeterminate species is known from the Bathonian aged Kirtlington Mammal Bed (Kilmaluag Formation, Scotland).

Description The shape, length, and body form of Parviraptor is not currently known. Parviraptor was initially described by Susan E. Evans in 1994, based on disarticulated but associated remains including bones of the skull and vertebrae. It was estimated to be about 150 millimetres (5.9 in) in snout-vent length and assigned to the Anguimorpha. Parviraptor was suggested by Caldwell et al. 2015 to be a stem-snake (Ophidia) based on the morphology of its maxilla, and on the claim that the other skeletal remains attributed to the species were not actually attributable to it. However, Susan E. Evans, the original describer of the genus, has stated that subsequent study of the other remains attributed to the genus indicates that they can confidently assigned to Parviraptor, and are dissimilar to the skeletons of snakes, making its affinity to them doubtful.

Phylogeny Cladogram based in the phylogenetic analysis by Caldwell et al. (2015):

In 2025, Benson and colleagues described a new parviraptorid, Breugnathair, known from relatively complete remains. While these authors did not rule out snake affinities for parviraptorids, they proposed other possible placements for the clade, including as stem squamates (in which case they would have convergently evolved their snake-like anatomy) or as early toxicoferans outside of Ophidia.

References

Illustrations

Worked examples

Example 1 — a first encounter with Parviraptor

Start with the simplest possible case. Write down what Parviraptor claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, 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 Parviraptor 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 Parviraptor 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 Parviraptor

In research: Parviraptor appears in science 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 Parviraptor 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: Parviraptor is common in secondary-school and first-year university syllabi. It links to neighbouring topics Fossil taxa described in 1994, Late Jurassic reptiles of Europe, Morrison fauna, so understanding it makes those chapters shorter.
In everyday life: Look for Parviraptor 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 “Parviraptor” →

Affiliate

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

How to study Parviraptor in 20 minutes

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

Frequently asked questions

What is Parviraptor in simple terms?

Why does Parviraptor matter?

Because it connects several science 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 Parviraptor?

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 Parviraptor.