''Chebsaurus'' is a genus of quadrupedal, herbivorous,

cetiosaurid Cetiosauridae is a family of sauropod dinosaurs which was first proposed by Richard Lydekker in 1888. While traditionally a wastebasket taxon containing various unrelated species, some recent studies have found that it may represent a natural cl ...

sauropod Sauropoda (), whose members are known as sauropods (; from '' sauro-'' + '' -pod'', 'lizard-footed'), is a clade of saurischian ('lizard-hipped') dinosaurs. Sauropods had very long necks, long tails, small heads (relative to the rest of their bo ...

dinosaur, specifically a eusauropod. It lived in present-day Algeria, in the

Callovian In the geologic timescale, the Callovian is an age and stage in the Middle Jurassic, lasting between 166.1 ± 4.0 Ma (million years ago) and 163.5 ± 4.0 Ma. It is the last stage of the Middle Jurassic, following the Bathonian and preceding the ...

aged

Aïssa Formation Moulay Aïssa ben Idriss II (''Aïssa ben idrīs ben idrīs ben `abd allah ben al-ḥasan'') was born in Fez, Morocco in the 9th century. He was the son of Idriss II and the descendant of both Idriss I and his brother Suleyman the sultan of Tlemcen. ...

. The

type species In zoological nomenclature, a type species (''species typica'') is the species name with which the name of a genus or subgenus is considered to be permanently taxonomically associated, i.e., the species that contains the biological type specimen( ...

, ''C. algeriensis'', was named in 2005 by Mahammed et al. and is the most complete Algerian sauropod known. It was around long. The word "Cheb" "شاب" is colloquial

Arabic Arabic (, ' ; , ' or ) is a Semitic language spoken primarily across the Arab world.Semitic languages: an international handbook / edited by Stefan Weninger; in collaboration with Geoffrey Khan, Michael P. Streck, Janet C. E.Watson; Walte ...

for "young man", as the fossils found were believed to be from a juvenile. The original publication, by Mahammed et al., gives ''Chebsaurus'' the nickname "the Giant of Ksour". A second skeleton, also from a juvenile of a similar ontogenetic stage, is also known. Both skeletons, including cranial material, was found in the Ksour Mountains, part of the Occidental Saharan Atlas (Algerian High Atlas).

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