Arthrolycosa
| Arthrolycosa Temporal range: Late Carboniferous to Late Permian | |
|---|---|
 | |
| Arthrolycosa antiqua, illustrated by C. E. Beecher | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Subphylum: | Chelicerata |
| Class: | Arachnida |
| Order: | Araneae (?) |
| Family: | †Arthrolycosidae |
| Genus: | †Arthrolycosa Harger, 1874 |
| species | |
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Arthrolycosa (meaning wolf [spider] with joints) is an extinct genus of arachnids, possibly spiders, that lived about 300-250 million years ago.
Fossils have been found Mazon Creek USA and in the Kirov Oblast region of Russia.
Species of Arthrolycosa are estimated to have grown to a length of 2 inches (5 centimeters) and may have preyed upon insects and other smaller animals that lived alongside them.
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