biology

Taleta

Taleta 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 Taleta rather than just read about it. In short: Taleta (meaning "three") is an extinct genus of lambeosaurine ornithopod dinosaurs from the Late Cretaceous (Maastrichtian age) Oulad Abdoun Basin of Morocco. The genus contains a single species, Taleta taleta, known from two upper jaw bones.

Key takeaways

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

Reference excerpt

Taleta (meaning "three") is an extinct genus of lambeosaurine ornithopod dinosaurs from the Late Cretaceous (Maastrichtian age) Oulad Abdoun Basin of Morocco. The genus contains a single species, Taleta taleta, known from two upper jaw bones. It is the third member of the clade Arenysaurini found from this locality, after Ajnabia and Minqaria.

Discovery and naming

The Taleta holotype specimen, MHNM.KH.1557, was discovered in a layer of the Oulad Abdoun Basin (upper Couche III, Sidi Chennane locality) of Morocco. The specimen consists of a partial left and right maxilla (upper jaw bone). The bones were found in association and exhibit comparable preservation and morphology, implying they came from the same individual. In 2025, Nicholas Longrich and colleagues described Taleta taleta as a new genus and species of lambeosaurine hadrosaurs based on these fossil remains. The generic and specific names derive from an Arabic word meaning "three", referencing Taleta as the third hadrosaur named from the type locality after Ajnabia and Minqaria.

Description

The Taleta holotype belongs to a small-bodied hadrosaurid, or 'duckbilled' dinosaur. As preserved, the incomplete right maxilla is 12.5 cm (4.9 in) long and includes sixteen alveoli (tooth sockets), but may have been up to 17.5–8 cm (6.9–3.1 in) when complete with 25 alveoli. The left maxilla is less complete, at 8 cm (3.1 in) long, generally overlapping with its right counterpart. The holotype is similar in size to the coeval Ajnabia and Minqaria, the latter of which has been estimated at 3.5 metres (11 ft) long. The bone texture on the maxilla suggests that the holotype likely belongs to a mature individual. While the maxilla of Taleta demonstrates anatomical features comparable to both of its contemporaries, it also has several unique traits that support its distinction. Most notably, the teeth are particularly large, presumably leading to a reduced tooth count in the upper jaw.

Classification

In their phylogenetic analysis, Longrich and colleagues (2025) recovered Taleta within the hadrosaurid clade Lambeosaurinae. It was found in a poorly-resolved Arenysaurini, in a clade also containing the coeval Ajnabia and Minqaria. These results are displayed in the cladogram below. The authors observed that the Taleta holotype shares some features only with Ajnabia, or only with Minqaria. However, it also exhibits plesiomorphic (ancestral condition) anatomical traits. This may indicate that Ajnabia and Minqaria were more closely related to each other than they were to Taleta.

Paleoecology

Taleta is known from the phosphates of the Ouled Abdoun Basin of central Morocco. The phosphates preserve a nearshore marine environment dominated by mosasaurs, fish, and other marine animals. Dinosaurs are less common, but include diverse and abundant hadrosaurids, including fellow arenysaurins Ajnabia and Minqaria. A right femur and left humerus from these outcrops belong to larger unnamed hadrosaurids, likely close relatives of these genera. Other dinosaurs include the abelisaurid Chenanisaurus and an unnamed titanosaurian. A right tibia and isolated metatarsal may belong to distinct smaller abelisaurids. These animals lived at the end of the Cretaceous period (latest Maastrichtian), shortly before the Chicxulub asteroid impact and K-Pg boundary, the point at which the dinosaurs and many other groups went extinct.

Paleobiogeography

Hadrosaurids, the taxonomic group Taleta belongs to, were not known from Africa until Ajnabia was described in 2021. followed by Minqaria in 2024. Their closest relatives are lambeosaurines, all known from Europe. As such, oceanic dispersal between Europe and North Africa is considered the most viable explanation for the presence of hadrosaurs in Africa. Intermittent land connections as a means of dispersal could also explain this. Dispersal may have occurred via swimming, drifting, or rafting (on floating debris or vegetation clumps).

References

Illustrations

Worked examples

Example 1 — a first encounter with Taleta

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

In research: Taleta 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 Taleta 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: Taleta is common in secondary-school and first-year university syllabi. It links to neighbouring topics Dinosaur genera, Dinosaurs of Morocco, Fossil taxa described in 2025, so understanding it makes those chapters shorter.
In everyday life: Look for Taleta 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 Taleta in 20 minutes

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

Frequently asked questions

What is Taleta in simple terms?

Why does Taleta 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 Taleta?

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 Taleta.