Wikipedia:Today's featured article

Today's featured article

This star symbolizes the featured content on Wikipedia.

Each day, a summary (roughly 975 characters long) of one of Wikipedia's featured articles (FAs) appears at the top of the Main Page as Today's Featured Article (TFA). The Main Page typically gets around 15 million hits per day.

TFAs are scheduled by the TFA coordinators: Dank (Dan), Jimfbleak, Ealdgyth and Wehwalt. WP:TFAA displays the current month, with easy navigation to other months. If you notice an error in an upcoming TFA summary, please feel free to fix it yourself; if the mistake is in today's or tomorrow's summary, please leave a message at WP:ERRORS so an administrator can fix it. Articles can be nominated for TFA at the TFA requests page, and articles with a date connection within the next year can be suggested at the TFA pending page. Feel free to bring questions and comments to the TFA talk page, and you can ping all the TFA coordinators by adding "{{@TFA}}" in a signed comment on any talk page.

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Lector, si monumentum requiris, circumspice.

Today's featured article

O. kokomoensis
O. kokomoensis

Onychopterella was a predatory aquatic arthropod of the order of eurypterids, often called sea scorpions. Fossils of the species O. kokomoensis (pictured) and O. pumilus have been found in the United States, and fossils of O. augusti in South Africa. Onychopterella (from Greek for 'claw wing') lived from the Late Ordovician to the Late Silurian, from 444 to 422 million years ago. The head was almost rectangular, with bean-shaped compound eyes. The limbs were generally long and narrow with a spine on the tip, and the body was ornamented with small, pointed scales. Lengths ranged from 16 cm (6.3 in) for O. kokomoensis to 4 cm (1.6 in) for O. pumilus. Onychopterella was able to swim, and probably able to walk on the seabed with its spines and dig with its head. The best-preserved specimens of O. augusti show similarities to modern scorpions in their alimentary canal, limb musculature and respiratory system. (Full article...)

Tomorrow's featured article

Alhambra in 2017
Alhambra in 2017

Muhammad II was the Nasrid ruler of the Emirate of Granada in Al-Andalus on the Iberian Peninsula from 1273 until his death in 1302. Succeeding his father Muhammad I, he maintained Granada's independence in the face of its larger neighbours, the Christian kingdom of Castile and the Muslim Marinid state of Morocco. He added the Tower of the Ladies and the Tower of the Points to his father's palace and fortress complex, the Alhambra (pictured). To defend Granada against the Christians, he recruited soldiers from North Africa and organized them into the Volunteers of the Faith. He instituted the Nasrid royal protocol and the court chancery and increased the importance of the vizier in government. Muhammad II built a series of strongholds in strategic positions that remained for centuries as the backbone of Granadan border defences. He was known by the epithet al-Faqih, the canon lawyer, reflecting his education and his support for scholars and poets. (Full article...)

Day-after-tomorrow's featured article

Suillus luteus

Suillus luteus is a bolete fungus common in its native Eurasia and widely introduced elsewhere. English names such as "slippery jack" refer to the brown cap, which is slimy in wet conditions. The mushrooms are edible, though not highly regarded, and are often eaten in soups, stews or fried dishes. The fungus grows in coniferous forests in its native range, and pine plantations where introduced. It forms symbiotic associations with living trees by enveloping the underground roots. The fungus produces spore-bearing mushrooms above ground in summer and autumn. The cap often has a distinctive conical shape before flattening with age. Instead of gills, the underside of the cap has pores with tubes extending downward that allow mature spores to escape. The pore surface is yellow, and covered by a membranous partial veil when young. The stalk is pale with small dots near the top. It bears a distinctive ring that is tinged brown to violet on the underside. (Full article...)

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