Wikipedia:Main Page history/2021 August 31b
From today's featured articleBajadasaurus is a genus of sauropod dinosaur of northern Patagonia, Argentina, from around 145 to 133 million years ago during the Early Cretaceous epoch. It was first described in 2019 based on a single specimen (elements pictured) found in 2010 that includes a largely complete skull and parts of the neck. The only species is Bajadasaurus pronuspinax. The genus is a member of Dicraeosauridae, a group of relatively small and short-necked sauropods. Bajadasaurus sported bifurcated (two-pronged), extremely elongated neural spines extending from the neck; the 2019 description of Bajadasaurus suggested that they could have served as passive defense against predators. The skull was slender and equipped with around 48 teeth that were pencil-shaped and restricted to the front of the jaws. Its eye openings were exposed in top view, possibly allowing the animal to look forwards while feeding. It shared its environment with other dinosaurs including the sauropod Leinkupal and different theropods. (Full article...)
Recently featured:
Did you know ...
|
In the news
On this dayAugust 31: Independence Day in Malaysia (1957); Romanian Language Day in Romania
More anniversaries:
|
Today's featured picture
Marino Faliero is a tragic opera in three acts by Gaetano Donizetti. The Italian libretto was written by Giovanni Emanuele Bidera, who was inspired by a drama by Lord Byron, based on the life of Marino Faliero, a 14th-century doge of Venice. This lithograph shows the set design for the second act of the opera's premiere, which took place in Paris on 12 March 1835. Illustration credit: Luigi Verardi, after Domenico Ferri; restored by Adam Cuerden
Recently featured:
|
Other areas of Wikipedia
- Community portal – Bulletin board, projects, resources and activities covering a wide range of Wikipedia areas.
- Help desk – Ask questions about using Wikipedia.
- Reference desk – Serving as virtual librarians, Wikipedia volunteers tackle your questions on a wide range of subjects.
- Site news – Announcements, updates, articles and press releases on Wikipedia and the Wikimedia Foundation.
- Village pump – For discussions about Wikipedia itself, including areas for technical issues and policies.
Wikipedia's sister projects
Wikipedia is hosted by the Wikimedia Foundation, a non-profit organization that also hosts a range of other projects:
-
Commons
Free media repository -
MediaWiki
Wiki software development -
Meta-Wiki
Wikimedia project coordination -
Wikibooks
Free textbooks and manuals -
Wikidata
Free knowledge base -
Wikinews
Free-content news -
Wikiquote
Collection of quotations -
Wikisource
Free-content library -
Wikispecies
Directory of species -
Wikiversity
Free learning tools -
Wikivoyage
Free travel guide -
Wiktionary
Dictionary and thesaurus
Wikipedia languages
This Wikipedia is written in English. Many other Wikipedias are available; some of the largest are listed below.
-
1,000,000+ articles
-
250,000+ articles
-
50,000+ articles