| Whip scorpions, vinegaroons Temporal range:
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|---|---|
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| |
| Typopeltis crucifer | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Subphylum: | Chelicerata |
| Class: | Arachnida |
| Clade: | Tetrapulmonata |
| Order: | Uropygi Thorell, 1883[1][2] |
| Families | |
| Diversity | |
| c. 23 genera, over 100 species | |
| |
| Distribution map of Uropygi | |
| Synonyms[1][2] | |
|
Thelyphonida Latreille, 1804 (as Thélyphone) | |
Uropygi is an arachnid order comprising invertebrates commonly known as whip scorpions or vinegaroons (also spelled vinegarroons and vinegarones). They are often called uropygids. The name "whip scorpion" refers to their resemblance to true scorpions and possession of a whiplike tail, and "vinegaroon" refers to their ability when attacked to discharge an offensive, vinegar-smelling liquid, which contains acetic acid. The order may also be called Thelyphonida. Both names, Uropygi and Thelyphonida, may be used either in a narrow sense for the order of whip scorpions, or in a broad sense which includes the order Schizomida.[a]
- ^ a b Harvey, Mark S. (2003). "Uropygi". Catalogue of the Smaller Arachnid Orders of the World: Amblypygi, Uropygi, Schizomida, Palpigradi, Ricinulei and Solifugae. Canberra, AU: CSIRO Publishing. doi:10.1071/9780643090071. ISBN 978-0-643-09007-1.
- ^ a b "Uropygi (Thorell, 1883)". Western Australian Museum. Field Guides & Catalogues. Western Australian Museum, Government of Western Australia. Retrieved 10 March 2023.
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